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CVE-2026-21632mediumCWE-79

Joomla! Core - [20260304] - XSS vectors in various article title outputs

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.9epss 0.2%
exploitation probability
0.2%top 91% of all CVEs
observed exploitation
nono source reports it
Lack of output escaping for article titles leads to XSS vectors in various locations.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U