Wikimedia MediaWiki up to 1.39.15/1.43.5/1.44.2/1.45.0 CommentParser.Php cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Wikimedia MediaWiki up to 1.39.15/1.43.5/1.44.2/1.45.0. This affects an unknown function of the file includes/CommentFormatter/CommentParser.Php. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2025-67475. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Wikimedia MediaWiki up to 1.39.15/1.43.5/1.44.2/1.45.0. It has been rated as problematic. This issue affects some unknown functionality of the file includes/CommentFormatter/CommentParser.Php. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/CommentFormatter/CommentParser.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.

It is possible to read the advisory at phabricator.wikimedia.org. The identification of this vulnerability is CVE-2025-67475 since 12/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:includes/CommentFormatter/CommentParser.Php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.39.16, 1.43.6, 1.44.3 or 1.45.1 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Wikimedia

Name

• MediaWiki

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.39.0
• 1.39.1
• 1.39.2
• 1.39.3
• 1.39.4
• 1.39.5
• 1.39.6
• 1.39.7
• 1.39.8
• 1.39.9
• 1.39.10
• 1.39.11
• 1.39.12
• 1.39.13
• 1.39.14
• 1.39.15
• 1.40
• 1.41
• 1.42
• 1.43
• 1.43.0
• 1.43.1
• 1.43.2
• 1.43.3
• 1.43.4
• 1.43.5
• 1.44
• 1.44.0
• 1.44.1
• 1.44.2
• 1.45.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

• 🔒
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Entryinfo

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