The vulnerability of Contrib’s Syntax Markdown extension for the XWiki Platform, which is used to create collaborative web applications. The XWiki Platform allows attackers to perform cross-site scripting attacks.

The vulnerability in Contrib’s Syntax Markdown extension for the XWiki Platform lies in the lack of protection for the structure of web pages when processing the width parameter. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting attacks remotely...

CVE-2025-46558

XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting XSS through HTML. In particular, using Markdown syntax, it's possible for...

CVE-2025-46558

The CVE-2025-46558 issue affects XWiki Contrib's Syntax Markdown (org.xwiki.contrib.markdown:syntax-markdown-commonmark12). A cross-site scripting (XSS) vulnerability exists in Markdown syntax versions 8.2 through before 8.9 via HTML, allowing any user to embed JavaScript that executes in other u...

CVE-2025-46558 org.xwiki.contrib.markdown:syntax-markdown-commonmark12 vulnerable to XSS via Markdown content

XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting XSS through HTML. In particular, using Markdown syntax, it's possible for...

CVE-2025-46558 org.xwiki.contrib.markdown:syntax-markdown-commonmark12 vulnerable to XSS via Markdown content

XWiki Contrib's Syntax Markdown allows importing Markdown content into wiki pages and creating wiki content in Markdown. In versions starting from 8.2 to before 8.9, the Markdown syntax is vulnerable to cross-site scripting XSS through HTML. In particular, using Markdown syntax, it's possible for...