CVE-2026-100238 — Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS

CVE-2026-100238

Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Wikimedia Foundation / Mediawiki - Flow Extension	affected * before 1.46.1, 1.45.5, 1.43.10

CWE

CWE-79

References

https://phabricator.wikimedia.org/T432425
https://gerrit.wikimedia.org/r/q/Ic6149363fe1de2440240fe88aebfd4ae30cea606

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.