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

This issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.
Published: 2026-09-30
Score: 0.3 Low
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

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 Wikbase extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki Wikbase extension: 1.46, 1.45, and 1.43.
Title Various rawParams() and escaped() updates to prevent XSS in Wikibase 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

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T17:34:10.328Z

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

Link: CVE-2026-103439

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-80

    Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)