CVE-2026-21632 MEDIUM

CVE-2026-21632: Joomla! Core - [20260304] - XSS vectors in various article title outputs

Vendor Joomla! Project
Product Joomla! CMS
Weakness CWE-79 · XSS
Published April 1, 2026
Last update April 2, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

Description

Lack of output escaping for article titles leads to XSS vectors in various locations.

Key dates

Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated