Kestra vulnerable to stored XSS via custom Markdown [[link]] attribute injection

Summary Kestra’s Markdown renderer supports a custom link ... syntax that is converted into a custom HTML element. The custom Markdown parser allows attacker-controlled attributes to be rendered into the generated element without proper allowlisting or sanitization. As a result, a user who can...

EUVD-2026-60976

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

PT-2023-26177 · Xwiki · Xwiki

Name of the Vulnerable Software and Affected Versions: XWiki versions 14.6-rc-1 through 14.10.3 XWiki versions prior to 15.0 RC1 Description: The issue concerns the cleaning of attributes during XHTML rendering in XWiki, which allowed the injection of arbitrary HTML code and thus cross-site...