Wikistories Extension up to 1.43 on Mediawiki cross site scripting

Summaryinfo

A vulnerability was found in Wikistories Extension up to 1.43 on Mediawiki and classified as problematic. The impacted element is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2025-62701. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Wikistories Extension up to 1.43 on Mediawiki and classified as problematic. This vulnerability affects an unknown code. 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. CVE summarizes:

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Wikistories allows Stored XSS.This issue affects Mediawiki - Wikistories: from master before 1.44.

The weakness was released by SomeRandomDeveloper. The advisory is shared for download at phabricator.wikimedia.org. This vulnerability was named CVE-2025-62701 since 10/20/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 1.44 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-35136) and CERT Bund (WID-SEC-2025-2381). Once again VulDB remains the best source for vulnerability data.

Affected

• Open Source MediaWiki

Productinfo

Type

• Content Management System

Name

• Wikistories Extension

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

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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