An issue was discovered in Joomla! before 3.9.21. Lack of escaping in mod_latestactions allows XSS attacks.

Cross-site scripting (XSS) vulnerability in the nBill (com_nbill) component 2.3.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the message parameter in an income action to administrator/index.php.

Cross-site scripting (XSS) vulnerability in the com_poll component in Joomla! before 1.5 RC4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in the com_search component in Joomla! 1.0.13 and earlier allows remote attackers to inject arbitrary web script or HTML via the searchword parameter. NOTE: this might be related to CVE-2007-4189.1.

In Joomla! 1.5.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of specific HTML attributes leads to XSS vulnerabilities in various components.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.13 (aka Sunglow) allow remote attackers to inject arbitrary web script or HTML via the (1) Title or (2) Section Name form fields in the Section Manager component, or (3) multiple unspecified fields in New Menu Item.

In Joomla! 3.2.0 through 3.6.5 (fixed in 3.7.0), inadequate escaping of file and folder names leads to XSS vulnerabilities in the template manager component.

In Joomla! 1.5.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of multibyte characters leads to XSS vulnerabilities in various components.

Cross-site scripting (XSS) vulnerability in Joomla! 1.5 before RC2 (aka Endeleo) allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, probably related to the archive section.

Multiple cross-site scripting (XSS) vulnerabilities in the AkoBook 3.42 and earlier component (com_akobook) for Mambo allow remote attackers to inject arbitrary web script or HTML via Javascript events in the (1) gbmail and (2) gbpage parameters in the sign function.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.0.13 (aka Sunglow) allow remote attackers to inject arbitrary web script or HTML via unspecified vectors in the (1) com_search, (2) com_content, and (3) mod_login components. NOTE: some of these details are obtained from third party information.

An issue was discovered in Joomla! through 3.9.19. Lack of input filtering and escaping allows XSS attacks in mod_random_image.

Cross-site scripting (XSS) vulnerability in the comments module in the RSGallery2 (com_rsgallery2) component before 2.3.0 for Joomla! 1.5.x, and before 3.2.0 for Joomla! 2.5.x, allows remote attackers to inject arbitrary web script or HTML via crafted BBCode markup in a comment.

Cross-site scripting (XSS) vulnerability in Joomla! 2.5.0 and 2.5.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in Joomla! 1.6.x and 1.7.x before 1.7.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-0822.

Multiple cross-site scripting (XSS) vulnerabilities in the HM Community (com_hmcommunity) component before 1.01 for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) language[], (2) university[], (3) persent[], (4) company_name[], (5) designation[], (6) music[], (7) books[], (8) movies[], (9) games[], (10) syp[], (11) ft[], and (12) fa[] parameters in a save task for a profile to index.php. NOTE: some of these details are obtained from third party information.

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.6.3 and earlier allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Cross-site scripting (XSS) vulnerability in Joomla! before 1.5.12 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.

In Joomla! before 3.9.19, lack of input validation in the heading tag option of the "Articles - Newsflash" and "Articles - Categories" modules allows XSS.

An issue was discovered in Joomla! before 3.9.16. Inadequate handling of CSS selectors in the Protostar and Beez3 JavaScript allows XSS attacks.

An issue was discovered in Joomla! before 3.9.4. The JSON handler in com_config lacks input validation, leading to XSS.

An issue was discovered in Joomla! before 3.9.4. The item_title layout in edit views lacks escaping, leading to XSS.

An issue was discovered in Joomla! before 3.9.3. A combination of specific web server configurations, in connection with specific file types and browser-side MIME-type sniffing, causes an XSS attack vector.

An issue was discovered in Joomla! before 3.9.3. Inadequate filtering on URL fields in various core components could lead to an XSS vulnerability.

Cross-site scripting (XSS) vulnerability in the login module in Joomla! 3.4.x before 3.4.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

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.

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.

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

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.

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.

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."

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".

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.

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.

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

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.

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.

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! 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! 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! before 3.9.21. Lack of input validation in the vote feature of com_content leads to an open redirect.

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.

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.

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.

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! before 3.9.2. Inadequate checks of the Global Configuration helpurl settings allowed stored XSS.

Lack of output escaping in the id attribute of menu lists.

Multiple cross-site scripting (XSS) vulnerabilities in the com_listing component in Barter Sites component 1.3 for Joomla! allow remote authenticated users to inject arbitrary web script or HTML via the (1) listing_title, (2) description, (3) homeurl (aka Website Address), (4) paystring (aka Payment types accepted), (5) sell_price, (6) shipping_cost, and (7) quantity parameters to index.php.

Multiple cross-site scripting (XSS) vulnerabilities in the Back End in Joomla! 1.5.x before 1.5.20 allow remote authenticated users to inject arbitrary web script or HTML via administrator screens.