CVE-2025-63083 — Cross-site Scripting in Joomla !

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
0.0%
top 99.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Joomla !Joomla! Project Joomla! CMS
Timeline
PublishedJan 6

Description

Lack of output escaping leads to a XSS vector in the pagebreak plugin.

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

Affected Packages2 packages

▶NVDjoomla/joomla_!3.9.0 — 5.4.2+1
▶CVEListV5joomla!_project/joomla!_cms3.9.0-5.4.1, 6.0.0-6.0.1+1

🔴Vulnerability Details

2
GHSA
GHSA-fr9h-7cq2-wq74: Lack of output escaping leads to a XSS vector in the pagebreak plugin↗2026-01-06
▶
CVEList
Joomla! Core - [20260102] - XSS vector in the pagebreak plugin↗2026-01-06
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-63083 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2025-63083 — Cross-site Scripting in Joomla ! | cvebase