CVE-2026-81917 Concrete CMS below 9.5.3 is vulnerable to Stored XSS in the Document Library block file description and tags

Concrete CMS below 9.5.3 does not apply HTML output escaping to the file description and tags fields when rendering the Document Library block, so a user with permission to edit file properties could store a script payload that executed in the browser of any visitor to a page displaying the block...

CVE-2026-68528

Concrete CMS RSS Displayer block below version 9.5.3 rendered remote feed item titles without HTML escaping, resulting in stored cross-site scripting. An attacker able to control a title in a syndicated feed could execute script in the site origin for any visitor to the affected page, including...

CVE-2025-65754

CVE-2025-65754: XSS almacenado en Algernon 1.17.4 Descripción Algernon v1.17.4 está afectado por una vulnerabilidad de Cross-Site Scripting XSS que permite a los atacantes ejecutar código arbitrario mediante un payload manipulado en un nombre de archivo. Proyecto afectado: Algernon - 1.17.4...

PT-2026-37294

Name of the Vulnerable Software and Affected Versions AVideo versions prior to 29.1 Description An issue exists where the 'plugin/Meet/iframe.php' endpoint echoes the user and pass query parameters unescaped into a JavaScript double-quoted string literal within a block. This allows an attacker to...