BaseFortify

Publication date: 2025-09-30

Last updated on: 2025-10-02

Assigner: Joomla! Project

Description

Improper handling of input could lead to an XSS vector in the checkAttribute method of the input filter framework class.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-09-30

Last Modified

2025-10-02

Generated

2026-07-06

AI Q&A

2025-09-30

EPSS Evaluated

2026-07-05

NVD

CVE-2025-54476

Affected Vendors & Products

Vendor	Product	Version / Range
joomla	joomla_cms	5.3.4
joomla	joomla_cms	5.0.3
joomla	joomla_cms	4.4.13
joomla	joomla_cms	3.10.20
joomla	joomla_cms	4.0.0
joomla	joomla_cms	4.4.3
joomla	joomla_cms	3.0.0
joomla	joomla_cms	3.10.15-elts
joomla	joomla_cms	4.4.14
joomla	joomla_cms	3.7.0
joomla	joomla_cms	3.10.14
joomla	joomla_cms	5.0.0
joomla	joomla_cms	4.4.2

Helpful Resources

Exploitability

CWE

KEV

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

Impact Analysis

The vulnerability can allow attackers to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions, data theft, or session hijacking when interacting with the affected system.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade your Joomla! CMS or Framework to the latest patched versions once they are released. Since this CVE describes an XSS vulnerability similar to previous ones fixed by upgrading, applying the latest security updates from Joomla! Security Strike Team is recommended to address the issue. [1]

Executive Summary

This vulnerability is a cross-site scripting (XSS) issue caused by improper handling of input in the checkAttribute method of the input filter framework class. It allows attackers to inject malicious scripts due to insufficient sanitization of input content.

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