Antonin Steinhauser

**Name of the Vulnerable Software and Affected Versions** Joomla! versions prior to 3.9.3 **Description** An issue was discovered that allows stored XSS due to inadequate checks at the Global Configuration helpurl settings. **Recommendations** For versions prior to 3.9.3, update to version 3.9.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the Global Configuration helpurl settings until a patch is applied.

**Name of the Vulnerable Software and Affected Versions** Joomla! versions prior to 3.9.3 **Description** An issue was discovered that could lead to an XSS vulnerability due to inadequate filtering on URL fields in various core components. **Recommendations** For versions prior to 3.9.3, update to version 3.9.3 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Joomla! versions prior to 3.9.2 **Description** The issue is related to inadequate escaping in the com contact component, which leads to a stored XSS vulnerability. **Recommendations** For versions prior to 3.9.2, update to version 3.9.2 or later to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Joomla! versions prior to 3.9.2 **Description** An issue was discovered that leads to a stored XSS vulnerability due to inadequate escaping in mod banners. **Recommendations** For versions prior to 3.9.2, update to version 3.9.2 or later to resolve the issue. As a temporary workaround, consider disabling the mod banners module until a patch is available.

**Name of the Vulnerable Software and Affected Versions** FatFreeCRM versions <=0.14.1 FatFreeCRM versions 0.15.0 through 0.15.1 FatFreeCRM versions 0.16.0 through 0.16.3 FatFreeCRM versions 0.17.0 through 0.17.2 FatFreeCRM version 0.18.0 **Description** The issue is a Cross Site Scripting (XSS) vulnerability that can result in Javascript execution. This attack appears to be exploitable via content with a Javascript payload that will be executed on end-user browsers when they visit the page. **Recommendations** For FatFreeCRM versions <=0.14.1, update to version 0.14.2 or later. For FatFreeCRM versions 0.15.0 through 0.15.1, update to version 0.15.2 or later. For FatFreeCRM versions 0.16.0 through 0.16.3, update to version 0.16.4 or later. For FatFreeCRM versions 0.17.0 through 0.17.2, update to version 0.17.3 or later. For FatFreeCRM version 0.18.0, update to version 0.18.1 or later.