Cross-Site Scripting Vulnerability in Wikimedia's SecurePoll Extension
CVE-2025-11937

6.9MEDIUM

Key Information:

Vendor

The Wikimedia Foundation

Status
Mediawiki - Securepoll Extension
Vendor
CVE Published:
18 October 2025

What is CVE-2025-11937?

The SecurePoll Extension of MediaWiki from the Wikimedia Foundation is affected by a Cross-Site Scripting (XSS) vulnerability, allowing attackers to inject malicious scripts that can be executed in the context of the user's session. This can lead to unauthorized actions being performed on behalf of victims or sensitive information being exposed. The vulnerability arises from improper handling of user inputs during website generation, highlighting the importance of sanitizing data to prevent such exploits.

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Affected Version(s)

Mediawiki - SecurePoll Extension master

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Sec...
https://phabricator.wikimedia.org/T402076

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

SomeRandomDeveloper
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