CVE-2026-25901
Cross-Site Scripting in Joomla Multilingual Associations Component
Publication date: 2026-05-26
Last updated on: 2026-05-26
Assigner: Joomla! Project
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| joomla | joomla | From 4.0.0 (inc) to 5.4.5 (inc) |
| joomla | joomla | From 6.0.0 (inc) to 6.1.0 (inc) |
| joomla | joomla | 5.4.6 |
| joomla | joomla | 6.1.1 |
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-2026-25901 is a Cross-Site Scripting (XSS) vulnerability in the Joomla! Content Management System (CMS). It occurs in the multilingual associations component because of a lack of proper output escaping, which allows attackers to inject malicious scripts.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts in the context of the affected Joomla! CMS website. This can lead to unauthorized actions such as stealing user credentials, session hijacking, or delivering malware to users. The severity is moderate with a low probability of exploitation.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability is a Cross-Site Scripting (XSS) issue in the multilingual associations component of Joomla! CMS caused by lack of proper output escaping.
Detection typically involves testing the affected Joomla! versions (4.0.0 to 5.4.5 and 6.0.0 to 6.1.0) for injection of malicious scripts in the multilingual associations component.
No specific detection commands or network/system scanning commands are provided in the available resources.
What immediate steps should I take to mitigate this vulnerability?
The immediate mitigation step is to upgrade Joomla! CMS to a fixed version.
- Upgrade to Joomla! version 5.4.6 or later if you are using the 5.x branch.
- Upgrade to Joomla! version 6.1.1 or later if you are using the 6.x branch.
These upgrades address the XSS vulnerability by fixing the output escaping in the multilingual associations component.