๐Ÿ” CVE Alert

CVE-2026-100238

UNKNOWN 0.0

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

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor wikimedia foundation
Product mediawiki - flow extension
Published Sep 29, 2026
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Affected Versions

Wikimedia Foundation / Mediawiki - Flow Extension
* < 1.46.1, 1.45.5, 1.43.10

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
phabricator.wikimedia.org: https://phabricator.wikimedia.org/T432425 gerrit.wikimedia.org: https://gerrit.wikimedia.org/r/q/Ic6149363fe1de2440240fe88aebfd4ae30cea606

Credits

SomeRandomDeveloper