CVE-2025-63082
Cross-Site Scripting in Joomla HTML Filter via img Data URLs
Publication date: 2026-01-06
Last updated on: 2026-01-06
Assigner: Joomla! Project
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| joomla | joomla_cms | From 4.0.0 (inc) to 5.4.1 (inc) |
| joomla | joomla_cms | From 6.0.0 (inc) to 6.0.1 (inc) |
| joomla | joomla_cms | 5.4.2 |
| joomla | joomla_cms | 6.0.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-63082 is a cross-site scripting (XSS) vulnerability in Joomla! CMS caused by inadequate input filtering in the HTML filter code, specifically related to data URLs within img tags. This flaw allows attackers to inject malicious scripts via these data URLs, potentially leading to XSS attacks. [1]
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts in the context of the affected Joomla! website, potentially leading to unauthorized actions, data theft, session hijacking, or defacement of the site. It poses a moderate security risk and can compromise the integrity and security of the website and its users. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade your Joomla! CMS to version 5.4.2 or 6.0.2, as these versions contain the fix for the inadequate input filtering issue that leads to the XSS vulnerability. [1]