Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7.

Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings.

Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in Contao CMS 2.9.2, and possibly other versions before 2.9.3, allows remote attackers to inject arbitrary web script or HTML via the HTTP X_FORWARDED_FOR header, which is stored by system/libraries/Environment.php but not properly handled by a comments action to main.php.

Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.

Contao is an Open Source CMS. Users can upload SVG files with malicious code, which is then executed in the back end and/or front end. This vulnerability is fixed in Contao 4.13.54, 5.3.30, or 5.5.6.

Contao is an open source content management system. Starting in version 4.0.0 and prior to version 4.13.40 and 5.3.4, users can inject malicious code in filenames when uploading files (back end and front end), which is then executed in tooltips and popups in the back end. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, remove upload fields from frontend forms and disable uploads for untrusted back end users.

Contao before 4.5.7 has XSS in the system log.

Contao 3.x before 3.5.32 allows XSS via the unsubscribe module in the frontend newsletter extension.

Multiple cross-site scripting (XSS) vulnerabilities in Contao before 2.10.2 allow remote attackers to inject arbitrary web script or HTML via the PATH_INFO to index.php in a (1) teachers.html or (2) teachers/ action.

Contao is an open source content management system. Starting in version 4.0.0 and prior to versions 4.9.42, 4.13.28, and 5.1.10, it is possible for untrusted backend users to inject malicious code into headline fields in the back end, which will be executed both in the element preview (back end) and on the website (front end). Installations are only affected if there are untrusted back end users who have the rights to modify headline fields, or other fields using the input unit widget. Contao 4.9.42, 4.13.28, and 5.1.10 have a patch for this issue. As a workaround, disable the login for all untrusted back end users.

The LuckyWP Table of Contents WordPress plugin before 2.1.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/index.php by adding a question mark (?) followed by the payload.

The AI ChatBot for WordPress WordPress plugin before 6.2.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The WP-UserOnline plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘templates[browsingpage][text]' parameter in versions up to, and including, 2.87.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative capabilities and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The only affects multi-site installations and installations where unfiltered_html is disabled.

The WordPress Online Booking and Scheduling Plugin WordPress plugin before 22.5 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/add-group.php by adding a question mark (?) followed by the payload.

A vulnerability was found in 07FLYCMS, 07FLY-CMS and 07FlyCRM 1.3.8. It has been rated as problematic. Affected by this issue is some unknown functionality of the component System Settings Page. The manipulation of the argument Login Interface Copyright leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The affected product is known with different names like 07FLYCMS, 07FLY-CMS, and 07FlyCRM. It was not possible to reach out to the vendor before assigning a CVE due to a not working mail address.

The RegistrationMagic WordPress plugin before 6.0.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Request a Quote WordPress plugin before 2.3.9 does not sanitise, validate or escape some of its settings in the admin dashboard, leading to authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

The Photo Gallery by 10Web – Mobile-Friendly Image Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.8.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The Advanced Access Manager WordPress plugin before 6.8.0 does not escape some of its settings when outputting them, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Zikula 1.3.0 build #3168 and probably prior has XSS flaw due to improper sanitization of the 'themename' parameter by setting default, modifying and deleting themes. A remote attacker with Zikula administrator privilege could use this flaw to execute arbitrary HTML or web script code in the context of the affected website.

A vulnerability has been found in Craig Rodway Classroombookings up to 2.8.6 and classified as problematic. This vulnerability affects unknown code of the file /rooms/fields of the component Room Page. The manipulation of the argument Name leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.8.7 is able to address this issue. It is recommended to upgrade the affected component. The project maintainer was contacted early about the disclosure. He responded very quickly, friendly, and professional.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-languages.php by adding a question mark (?) followed by the payload.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/add-language.php by adding a question mark (?) followed by the payload.

Craft Commerce is an ecommerce platform for Craft CMS. In versions from 4.0.0-RC1 to 4.10.0 and from 5.0.0 to 5.5.1, a stored XSS vulnerability in Craft Commerce allows attackers to execute malicious JavaScript in an administrator’s browser. This occurs because the 'Address Line 1' field in Inventory Locations is not properly sanitized before being displayed in the admin panel. This issue has been patched in versions 4.10.1 and 5.5.2.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/add-field.php by adding a question mark (?) followed by the payload.

The ImagePress – Image Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Craft Commerce is an ecommerce platform for Craft CMS. In versions from 4.0.0-RC1 to 4.10.0 and from 5.0.0 to 5.5.1, a stored XSS vulnerability in Craft Commerce allows attackers to execute malicious JavaScript in an administrator’s browser. This occurs because the Shipping Categories (Name & Description) fields in the Store Management section are not properly sanitized before being displayed in the admin panel. This issue has been patched in versions 4.10.1 and 5.5.2.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/report-article-monthly.php by adding a question mark (?) followed by the payload.

The Popup Builder WordPress plugin before 4.3.5 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Anih - Creative Agency WordPress Theme theme for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2024 due to an incomplete blacklist, insufficient input sanitization, and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/add-template.php by adding a question mark (?) followed by the payload.

The Ditty WordPress plugin before 3.1.47 does not sanitise and escape some of its settings, which could allow high privilege users such as author to perform Stored Cross-Site Scripting attacks.

The Category and Taxonomy Meta Fields plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'new_meta_name' parameter in the 'wpaft_option_page' function in versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with administrator-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

SAP BusinessObjects Enterprise does not sufficiently encode user-controlled inputs, leading to Stored Cross-Site Scripting (XSS) vulnerability. This enables an admin user to inject malicious JavaScript into a website and the injected script gets executed when the user visits the compromised page.This vulnerability has low impact on confidentiality and integrity of the data. There is no impact on the availability of the application.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/article-collaboration.php by adding a question mark (?) followed by the payload.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/edit-glossary.php by adding a question mark (?) followed by the payload.

Cross-site scripting vulnerability in NEC Corporation Aterm WG2600HS Ver.1.7.2 and earlier, WG2600HP4 Ver.1.4.2 and earlier, WG2600HM4 Ver.1.4.2 and earlier, WG2600HS2 Ver.1.3.2 and earlier, WX3000HP Ver.2.4.2 and earlier and WX4200D5 Ver.1.2.4 and earlier allows a attacker to inject an arbitrary script via the network.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/my-profile.php by adding a question mark (?) followed by the payload.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-users.php by adding a question mark (?) followed by the payload.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-settings.php by adding a question mark (?) followed by the payload.

The way URIs are handled in admin/header.php in Chadha PHPKB Standard Multi-Language 9 allows Reflected XSS (injecting arbitrary web script or HTML) in admin/manage-departments.php by adding a question mark (?) followed by the payload.

Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in Image Editor Background Color.  A rogue admin could add malicious code to the Thumbnails/Add-Type. The Concrete CMS Security Team gave this a CVSS v4 score of 5.1 with vector https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N. Thanks,  Alexey Solovyev for reporting. (CNA updated this risk rank on 17 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC).

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 9.0.0 and prior to versions 9.13.10 and 10.2.0, a content editor could inject scripts in module headers/footers that would run for other users. Versions 9.13.10 and 10.2.0 contain a fix for the issue.

The Customer Service Software & Support Ticket System WordPress plugin before 5.10.4 does not sanitize or escape form fields before outputting it in the List, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

The events-calendar WordPress plugin through 1.0.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

The Qwizcards – online quizzes and flashcards WordPress plugin before 3.62 does not properly sanitize and escape some of its settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Craft Commerce is an ecommerce platform for Craft CMS. In versions from 4.0.0-RC1 to 4.10.0 and from 5.0.0 to 5.5.1, a stored XSS vulnerability in Craft Commerce allows attackers to execute malicious JavaScript in an administrator's browser. This occurs because the Tax Rates 'Name' field in the Store Management section is not properly sanitized before being displayed in the admin panel. This issue has been patched in versions 4.10.1 and 5.5.2.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in livemesh Livemesh Addons for WPBakery Page Builder addons-for-visual-composer allows Stored XSS.This issue affects Livemesh Addons for WPBakery Page Builder: from n/a through <= 3.9.4.