Wikimedia MediaWiki up to 1.39.13/1.43.3/1.44.0 HTMLButtonField.Php cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in Wikimedia MediaWiki up to 1.39.13/1.43.3/1.44.0. This issue affects some unknown processing of the file includes/htmlform/fields/HTMLButtonField.Php. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2025-61636. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Wikimedia MediaWiki up to 1.39.13/1.43.3/1.44.0. It has been classified as problematic. Affected is some unknown functionality of the file includes/htmlform/fields/HTMLButtonField.Php. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

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/htmlform/fields/HTMLButtonField.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

The advisory is available at phabricator.wikimedia.org. This vulnerability is traded as CVE-2025-61636 since 09/29/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

Upgrading to version 1.39.14, 1.43.4 or 1.44.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202602-187) and EUVD (EUVD-2025-206625). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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
• 1.40
• 1.41
• 1.42
• 1.43
• 1.43.0
• 1.43.1
• 1.43.2
• 1.43.3
• 1.44.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion