CVE-2026-103050: medium-severity vulnerability in The Wikimedia Foundation Mediawiki…
Stored i18n XSS in MassMessage
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.2%
exploitation probability
0.2%top 96% of all CVEs
observed exploitation
nono source reports it
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - MassMessage extension allows Stored XSS.
This issue affects Mediawiki - MassMessage extension: before 1.46.1, 1.45.5, 1.43.10.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
The Wikimedia Foundation · Mediawiki - MassMessage extension