Joomla HTML Filter XSS via Img Data URLs
CVE-2025-63082 Published on January 6, 2026
Joomla! Core - [20260101] - Inadequate content filtering for data URLs
Lack of input filtering leads to an XSS vector in the HTML filter code related to data URLs in img tags.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2025-63082 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2025-63082
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Affected Versions
Joomla! Project Joomla! CMS:- Version 4.0.0-5.4.1 is affected.
- Version 6.0.0-6.0.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.