CVE-2025-63083 MEDIUM

CVE-2025-63083: Joomla! Core - [20260102] - XSS vector in the pagebreak plugin

Vendor Joomla! Project
Product Joomla! CMS
Weakness CWE-79 · XSS
Published January 6, 2026
Last update January 6, 2026

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 leads to a XSS vector in the pagebreak plugin.

Key dates

Disclosure timeline

January 6, 2026 CVE published
January 6, 2026 Record updated