Wikimedia MediaWiki up to 1.44.2/1.45.0 ApiSandboxLayout.Js cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Wikimedia MediaWiki up to 1.44.2/1.45.0. This impacts an unknown function of the file resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2025-67477. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Wikimedia MediaWiki up to 1.44.2/1.45.0. Affected by this vulnerability is some unknown functionality of the file resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect 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 resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js. This issue affects MediaWiki: from * before 1.44.3, 1.45.1.

It is possible to read the advisory at phabricator.wikimedia.org. This vulnerability is known as CVE-2025-67477 since 12/08/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation needs additional levels of successful authentication. 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.

Upgrading to version 1.44.3 or 1.45.1 eliminates this vulnerability.

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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
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.44.0
• 1.44.1
• 1.44.2
• 1.45.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

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