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.

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 ReadingLists extension unaffected
Version Status Constraints
1.46 affected —
1.45 affected —

No data.

No data.

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Project Subscriptions

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 cve-icon cve-icon
https://phabricator.wikimedia.org/T435863 cve-icon cve-icon
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
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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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

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

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

Link: CVE-2026-103437

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-103437

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses