Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS.

This issue affects Mediawiki - Flow Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 29 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS. This issue affects Mediawiki - Flow Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Title Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS
Weaknesses CWE-79
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-09-29T16:12:06.871Z

Reserved: 2026-09-25T16:02:34.842Z

Link: CVE-2026-100238

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T17:17:00.873

Modified: 2026-09-29T17:17:00.873

Link: CVE-2026-100238

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses