Cross-site scripting (XSS) vulnerability in the InterJoomla ArtForms (com_artforms) component 2.1b7.2 RC2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the afmsg parameter to index.php.

In Joomla! before 3.8.4, lack of escaping in the module chromes leads to XSS vulnerabilities in the module system.

An issue was discovered in Joomla! before 3.9.6. The debug views of com_users do not properly escape user supplied data, which leads to a potential XSS attack vector.

The Custom Fields component not correctly filter inputs, leading to a XSS vector.

The wrapper extensions do not correctly validate inputs, leading to XSS vectors.

The mail template feature lacks an escaping mechanism, causing XSS vectors in multiple extensions.

An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.

An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of feed fields could lead to xss issues.

An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.

An issue was discovered in Joomla! 3.1.0 through 3.9.23. The lack of escaping of image-related parameters in multiple com_tags views cause lead to XSS attack vectors.

Cross-site scripting (XSS) vulnerability in Joomla! 1.5.x before 1.5.21 and 1.6.x before 1.6.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving "multiple encoded entities," as demonstrated by the query string to index.php in the com_weblinks or com_content component.

Cross-site scripting (XSS) vulnerability in the My Car (com_mycar) component 1.0 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the modveh parameter to index.php.

Cross-site scripting (XSS) vulnerability in the JFaq (com_jfaq) component 1.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the question parameter in an add2 action to index.php.

Multiple cross-site scripting (XSS) vulnerabilities in the back end in Joomla! 1.5 through 1.5.17 allow remote attackers to inject arbitrary web script or HTML via unknown vectors related to "various administrator screens," possibly the search parameter in administrator/index.php.

Cross-site scripting (XSS) vulnerability in gmap.php in the Almond Classifieds (com_aclassf) component 7.5 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the addr parameter.

Cross-site scripting (XSS) vulnerability in Joomla! 1.5.x through 1.5.10 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to database output and the frontend administrative panel.

The stripImages and stripIframes methods didn't properly process inputs, leading to XSS vectors.

Various module chromes didn't properly process inputs, leading to XSS vectors.

In Joomla! Core before 3.8.8, inadequate filtering of file and folder names leads to various XSS attack vectors in the media manager.

In Joomla! before 3.8.4, inadequate input filtering in com_fields leads to an XSS vulnerability in multiple field types, i.e., list, radio, and checkbox

In Joomla! before 3.8.4, inadequate input filtering in the Uri class (formerly JUri) leads to an XSS vulnerability.

Cross-site scripting (XSS) vulnerability in com_media in Joomla! 3.2.x before 3.2.5 and 3.3.x before 3.3.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Inadequate input validation leads to XSS vulnerabilities in the accessiblemedia field.

Inadequate escaping of mail addresses lead to XSS vulnerabilities in various components.

Improper handling of input could lead to an XSS vector in the StringHelper::truncate method.

Inadequate input validation for media selection fields lead to XSS vulnerabilities in various extensions.

Cross-site scripting (XSS) vulnerability in manage.php in the PBBooking (com_pbbooking) component 2.4 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the an arbitrary parameter in an edit action to administrator/index.php.

An issue was discovered in Joomla! 3.0.0 through 3.9.25. Inadequate escaping allowed XSS attacks using the logo parameter of the default templates on error page

An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.

An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.7.0 allow remote attackers to inject arbitrary web script or HTML via (1) the URI to includes/application.php, reachable through index.php; and, when Internet Explorer or Konqueror is used, (2) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component. NOTE: vector 2 exists because of an incomplete fix for CVE-2011-2509.5.

An issue was discovered in Joomla! Core before 3.8.8. A long running background process, such as remote checks for core or extension updates, could create a race condition where a session that was expected to be destroyed would be recreated.

An issue was discovered in Joomla! 2.5.0 through 3.10.6 & 4.0.0 through 4.1.0. Inadequate validation of URLs could result into an invalid check whether an redirect URL is internal or not.

An issue was discovered in Joomla! before 3.9.21. Lack of input validation in the vote feature of com_content leads to an open redirect.

Joomla! 2.5.x before 2.5.8 and 3.0.x before 3.0.2 allows remote attackers to conduct clickjacking attacks via unspecified vectors involving "Inadequate protection."

Cross-site scripting (XSS) vulnerability in mod_lettermansubscribe.php in the Letterman Subscriber (mod_letterman) before 1.2.5 module for Joomla! allows remote attackers to inject arbitrary web script or HTML via the Itemid parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.4 allow remote attackers to inject arbitrary web script or HTML via (1) "GET and other variables" and (2) "SEF".

An issue was discovered in Joomla! before 3.9.3. The "No Filtering" textfilter overrides child settings in the Global Configuration. This is intended behavior. However, it might be unexpected for the user because the configuration dialog lacks an additional message to explain this.

Joomla! 1.6.x before 1.6.2 does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

An issue was discovered in Joomla! 3.0.0 through 3.9.24. Extracting an specifilcy crafted zip package could write files outside of the intended path.

An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in the AJAX reordering endpoint.

An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in data download endpoints in com_banners and com_sysinfo.

CRLF injection vulnerability in Joomla! before 1.0.13 (aka Sunglow) allows remote attackers to inject arbitrary HTTP headers and probably conduct HTTP response splitting attacks via CRLF sequences in the url parameter. NOTE: this can be leveraged for cross-site scripting (XSS) attacks. NOTE: some of these details are obtained from third party information.

Inadequate validation of URLs could result into an invalid check whether an redirect URL is internal or not..

An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.5.7 and earlier allow remote authenticated users with certain privileges to inject arbitrary web script or HTML via (1) the title and description parameters to the com_weblinks module and (2) unspecified vectors in the com_content module related to "article submission."

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.5 through 1.5.9 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors to the (1) com_admin component, (2) com_search component when "Gather Search Statistics" is enabled, and (3) the category view in the com_content component.

An issue was discovered in Joomla! before 3.8.12. Inadequate output filtering on the user profile page could lead to a stored XSS attack.

An issue was discovered in Joomla! Core before 3.8.8. Under specific circumstances (a redirect issued with a URI containing a username and password when the Location: header cannot be used), a lack of escaping the user-info component of the URI could result in an XSS vulnerability.