Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.

This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.

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Advisories

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Fixes

Solution

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Workaround

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History

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

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki-readinglists Extension
Vendors & Products Wikimedia
Wikimedia mediawiki-readinglists 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 17:30:00 +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 ReadingLists extension allows Reflected XSS. This issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.
Title ReadingLists imported metadata permits JavaScript URL XSS
Weaknesses CWE-80
References
Metrics cvssV4_0

{'score': 1.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-30T20:01:02.016Z

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

Link: CVE-2026-103437

cve-icon Vulnrichment

Updated: 2026-09-30T18:47:05.633Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T18:18:16.290

Modified: 2026-09-30T21:17:08.583

Link: CVE-2026-103437

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-01T19:36:12Z

Weaknesses