CVE-2026-92225
Received Received - Intake

Cross-Site Scripting in Joomla Core Module List

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: Joomla! Project

Description
Joomla! Core - [20260912] - Core - XSS in module list in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - The module list layout did not properly escape user supplied values, leading to an XSS vector.

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Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-29
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
CVE-2026-92225
EUVD
EUVD-2026-89075

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
joomla joomla From 4.0.0 (inc) to 6.0.0 (exc)
joomla joomla From 6.0.0 (inc) to 6.1.3 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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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

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Executive Summary

This vulnerability is a Cross-Site Scripting (XSS) issue in Joomla! Core affecting versions 4.0.0-5.4.8 and 6.0.0-6.1.3. The module list layout fails to properly escape user-supplied values, allowing malicious scripts to be injected and executed in a user's browser.

Detection Guidance

To detect this XSS vulnerability in Joomla's module list, inspect Joomla installations for versions 4.0.0-5.4.8 or 6.0.0-6.1.3. Check for modules using the list layout that may not escape user input properly. Review server logs for unusual input patterns or XSS attempts in module parameters.

Impact Analysis

An attacker could exploit this to steal session cookies, perform actions on behalf of users, or deface websites. Users with administrative privileges are at higher risk as the attack could lead to full system compromise.

Compliance Impact

This XSS vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements. For HIPAA, it may compromise protected health information integrity, potentially leading to breaches.

Mitigation Strategies

Immediately update Joomla to the latest patched version. If updating is not possible, disable the module list layout or apply a temporary patch from Joomla's security advisory. Monitor for any signs of exploitation and restrict access to the affected modules.

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