PT-2026-43287 · Joomla · Joomla! Cms

Mohamed Elabbas + 1 · Published 2026-05-26 · Updated 2026-05-26 · CVE-2026-25900

Mitre

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Lack of output escaping leads to a XSS vector in the feed modules.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-25900

Affected Products

Joomla! Cms

References · 2

• https://developer.joomla.org/security-centre/1033-20260501-core-xss-in-feed-modules.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-25900 · Security Note