CVE-2026-21632
MEDIUMJoomla! Core - [20260304] - XSS vectors in various article title outputs
Title source: cnaDescription
Lack of output escaping for article titles leads to XSS vectors in various locations.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://developer.joomla.org/security-centre/1030-20260304-core-xss-vectors-in-various-article-title-outputs.html
Scores
CVSS v3
5.4
EPSS
0.0000
EPSS Percentile
0.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (3)
joomla/joomla\!
3.0.0 - 5.4.4
Joomla! Project/Joomla! CMS
4.0.0-5.4.3
Joomla! Project/Joomla! CMS
6.0.0-6.0.3
Published
Apr 01, 2026
Tracked Since
Apr 01, 2026