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CVE-2026-126569

MEDIUM CVSS: 5.4 Published: 2026-11-11 Modified: 2026-11-11

Description

Mbin 1.2.1 before 1.11.1 contains a stored cross-site scripting vulnerability in EmbedElement::buildDestructed() that renders nested Markdown image alt text and URL without HTML escaping. Authenticated users can embed HTML in the alt text of an image inside a link in entries, comments, posts, messages, or bios to run script in viewers' browsers.

Affected Platforms

Unknown

Weakness Type

CWE-79

References