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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0007.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
The Wikimedia Foundation Mediawiki - Wikistories unaffected
Version Status Constraints
master affected < 1.44

No data.

No data.

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Vendors Products
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Mediawiki Subscribe

Project Subscriptions

Vendors Products
Mediawiki Subscribe
Mediawiki Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikistories/+/1189218 cve-icon cve-icon
https://phabricator.wikimedia.org/T400545 cve-icon cve-icon cve-icon
History

Thu, 23 Oct 2025 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Vendors & Products Mediawiki
Mediawiki mediawiki

Tue, 21 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 21 Oct 2025 05:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Stored XSS through system messages
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-10-21T14:08:40.141Z

Reserved: 2025-10-20T17:42:38.151Z

Link: CVE-2025-62701

cve-icon Vulnrichment

Updated: 2025-10-21T13:42:08.723Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-21T05:15:55.897

Modified: 2025-10-21T19:31:25.450

Link: CVE-2025-62701

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-23T10:13:13Z

Weaknesses