Description
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS).

This issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.
Published: 2026-09-30
Score: 0.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 01 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki-wikistories Extension
Vendors & Products Wikimedia
Wikimedia mediawiki-wikistories Extension

Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 30 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Description Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.
Title Various rawParams() and escaped() updates to prevent XSS in Wikistories extension
Weaknesses CWE-80
References
Metrics cvssV4_0

{'score': 0.3, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber'}


Subscriptions

Wikimedia Mediawiki-wikistories Extension
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T20:01:01.753Z

Reserved: 2026-09-30T15:41:01.269Z

Link: CVE-2026-103438

cve-icon Vulnrichment

Updated: 2026-09-30T18:47:04.964Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T18:18:16.440

Modified: 2026-09-30T21:17:08.710

Link: CVE-2026-103438

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T19:36:07Z

Weaknesses