CVE-2026-103437 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Active

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

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/q/I9a724c05b2a55845007512422362e02ed8cf44b0
https://phabricator.wikimedia.org/T435863

History

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		https://gerrit.wikimedia.org/r/q/I9a724c05b2a55845007512422362e02ed8cf44b0 https://phabricator.wikimedia.org/T435863
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-09-30T17:17:35.540Z

Updated: 2026-09-30T17:17:35.540Z

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

Link: CVE-2026-103437

Vulnrichment

No data.

NVD

Status : Received

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

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

Link: CVE-2026-103437

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-80

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