An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run arbitrary JS code on users who interact with incorrectly sanitized HTML. This issue is patched in lxml 4.6.3.

Cross-site scripting (XSS) vulnerability in Google Site Search module 6.x-1.x before 6.x-1.4 and 7.x-1.x before 7.x-1.10 for Drupal allows remote attackers to inject arbitrary web script or HTML by causing crafted data to be returned by the Google API.

Cross-site scripting (XSS) vulnerability in the CDN2 Video module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in the Scald module 7.x-1.x before 7.x-1.1 for Drupal allow remote attackers to inject arbitrary web script or HTML via the (1) flash_uri, (2) flash_width, or (3) flash_height in the scald_flash_scald_prerender function in providers/scald_flash/scald_flash.module; or the (4) caption in the scald_image_scald_prerender function in providers/scald_image/scald_image.module.

Lack of CSP enforcement on WebUI pages in Bink in Google Chrome prior to 65.0.3325.146 allowed an attacker who convinced a user to install a malicious extension to bypass content security policy via a crafted Chrome Extension.

In wp-includes/formatting.php in WordPress 3.7 to 5.3.0, the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release.

Cross-site scripting (XSS) vulnerability in the web UI in Mailman before 2.1.26 allows remote attackers to inject arbitrary web script or HTML via a user-options URL.

Insufficient encoding of URL fragment identifiers in Blink in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to perform a DOM based XSS attack via a crafted HTML page.

Symantec Endpoint Detection and Response (SEDR), prior to 4.3.0, may be susceptible to a cross site scripting (XSS) issue. XSS is a type of issue that can enable attackers to inject client-side scripts into web pages viewed by other users. An XSS vulnerability may be used by attackers to potentially bypass access controls such as the same-origin policy.

An issue was discovered in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1. There is Reflected XSS on the PHAR 404 error page via the URI of a request for a .phar file.

The package @braintree/sanitize-url before 6.0.0 are vulnerable to Cross-site Scripting (XSS) due to improper sanitization in sanitizeUrl function.

This affects the package video.js before 7.14.3. The src attribute of track tag allows to bypass HTML escaping and execute arbitrary code.

A Cross-Site Scripting vulnerability exists in Drupal 6.20 with Data 6.x-1.0-alpha14 due to insufficient sanitization of table descriptions, field names, or labels before display.

A reflected XSS issue was discovered in DAViCal through 1.1.8. It echoes the action parameter without encoding. If a user visits an attacker-supplied link, the attacker can view all data the attacked user can view, as well as perform all actions in the name of the user. If the user is an administrator, the attacker can for example add a new admin user to gain full access to the application.

XSS vulnerabilities in Interstitials in Google Chrome prior to 65.0.3325.146 allowed an attacker who convinced a user to install a malicious extension or open Developer Console to inject arbitrary scripts or HTML via a crafted HTML page.

Cross-site scripting (XSS) vulnerability in Translation Management module 6.x before 6.x-1.21 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 26.0 and SeaMonkey before 2.23 makes it easier for remote attackers to inject arbitrary web script or HTML by leveraging a Same Origin Policy violation triggered by lack of a charset parameter in a Content-Type HTTP header.

Cross-site scripting (XSS) vulnerability in the Webform report module 5.x and 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via a submission.

WordPress before 5.2.4 is vulnerable to a stored XSS attack to inject JavaScript into STYLE elements.

CKSource CKEditor 5 35.4.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the Full Featured CKEditor5 widget. NOTE: the vendor's position is that this is not a vulnerability. The CKEditor 5 documentation discusses that it is the responsibility of an integrator (who is adding CKEditor 5 functionality to a website) to choose the correct security settings for their use case. Also, safe default values are established (e.g., config.htmlEmbed.showPreviews is false).

Cross-site scripting (XSS) vulnerability in the Filebrowser module 6.x-2.x before 6.x-2.2 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, related to "lists of files."

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. Starting in version 29.0.0 and prior to version 47.6.0, a cross-site scripting (XSS) vulnerability has been discovered in the General HTML Support feature. This vulnerability could be triggered by inserting specially crafted markup, leading to unauthorized JavaScript code execution, if the editor instance used an unsafe General HTML Support configuration. This issue has been patched in version 47.6.0.

WordPress before 5.2.3 allows XSS in stored comments.

WordPress before 5.2.3 allows XSS in shortcode previews.

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

AWStats 7.x through 7.8 allows XSS in the hostinfo plugin due to printing a response from Net::XWhois without proper checks.

A reflected cross-site scripting vulnerability was discovered in Moodle. This flaw exists due to insufficient sanitization of user-supplied data in policy tool. An attacker can trick the victim to open a specially crafted link that executes an arbitrary HTML and script code in user's browser in context of vulnerable website. This vulnerability may allow an attacker to perform cross-site scripting (XSS) attacks to gain access potentially sensitive information and modification of web pages.

Cross-site scripting (XSS) vulnerability in the Display Suite module 7.x-1.x before 7.x-1.7 and 7.x-2.x before 7.x-2.3 for Drupal allows remote authenticated users with certain permissions to inject arbitrary web script or HTML via an entity bundle label.

Cross-site scripting (XSS) vulnerability in the Webform module 6.x-3.x before 6.x-3.19 for Drupal allows remote authenticated users with the "edit own webform content" or "edit all webform content" permissions to inject arbitrary web script or HTML via a component label.

Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 allows XSS via a Content-Type or Content-Disposition header (used for attachment preview or download).

A cross-site scripting (XSS) vulnerability in MantisBT 1.2.14 allows remote attackers to inject arbitrary web script or HTML via a version, related to deleting a version.

Cross-site scripting (XSS) vulnerability in the Rules module 7.x-2.x before 7.x-2.3 for Drupal allows remote authenticated users with the "administer rules" permission to inject arbitrary web script or HTML via a rule tag.

A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attackers to inject arbitrary web script or HTML via Lua function names.

Cross-site scripting (XSS) vulnerability in the Zero Point theme 7.x-1.x before 7.x-1.9 for Drupal allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

In WordPress before 4.9.9 and 5.x before 5.0.1, crafted URLs could trigger XSS for certain use cases involving plugins.

A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows remote attackers to inject arbitrary web script through a crafted "protected" comment (with the cke_protected syntax).

Insufficient data validation in WebUI in Google Chrome prior to 84.0.4147.89 allowed a remote attacker who had compromised the renderer process to inject scripts or HTML into a privileged page via a crafted HTML page.

In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False.

Cross-site scripting (XSS) vulnerability in services/obrowser/index.php in Horde 3.2 and Turba 2.2 allows remote attackers to inject arbitrary web script or HTML via the contact name.

Cross-site request forgery (CSRF) vulnerability in the elFinder file manager module 6.x-0.x before 6.x-0.8 and 7.x-0.x before 7.x-0.8 for Drupal allows remote attackers to hijack the authentication of unspecified victims to create, modify, or delete files via unknown vectors.

An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.

In phpMyAdmin before 4.8.4, an XSS vulnerability was found in the navigation tree, where an attacker can deliver a payload to a user through a crafted database/table name.

An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.

steps/mail/func.inc in Roundcube before 1.3.8 has XSS via crafted use of <svg><style>, as demonstrated by an onload attribute in a BODY element, within an HTML attachment.

CKEditor 4.x before 4.11.0 allows user-assisted XSS involving a source-mode paste.

Insufficient policy enforcement in iOSWeb in Google Chrome on iOS prior to 85.0.4183.83 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Insufficient validation of untrusted input in clipboard in Google Chrome prior to 83.0.4103.61 allowed a local attacker to inject arbitrary scripts or HTML (UXSS) via crafted clipboard contents.

Insufficient policy enforcement in Blink in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Insufficient policy enforcement in extensions in Google Chrome prior to 80.0.3987.87 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.

A stored XSS and blind SSRF vulnerability was found in Moodle, occurs due to insufficient sanitization of user-supplied data in the SCORM track details. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website to steal potentially sensitive information, change appearance of the web page, can perform phishing and drive-by-download attacks.