CVE-2026-21624
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2Tags
Description
Lack of input filterung leads to a persistent XSS vulnerability in the user avatar text handling of the Easy Discuss component for Joomla.
Analysis
Insufficient input validation in the Easy Discuss component for Joomla allows authenticated users to inject persistent cross-site scripting (XSS) payloads through user avatar text fields. An attacker with valid credentials can exploit this to execute malicious scripts in the browsers of other users viewing affected content. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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