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CVE-2026-35055

MEDIUM CVSS: 6.1 Published: 2026-04-01 Modified: 2026-06-17

Description

XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.

Affected Platforms

Xenforo Xenforo

Weakness Type

CWE-79

References