CVE-2025-63083: Joomla! Core - [20260102] - XSS vector in the pagebreak plugin
Published Jan 6, 2026
·Updated
Lack of output escaping leads to a XSS vector in the pagebreak plugin.
Affected Software
3 affected components
Joomla Joomla! Core
Joomla Joomla\!>=3.9.0<5.4.2
Joomla Joomla\!>=6.0.0<6.0.2
Event History
Jan 6, 2026
CVE Published
via MITRE·04:01 PM
Data Sourced
via MITRE·04:01 PM
DescriptionWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-63083?
The severity of CVE-2025-63083 is classified as critical due to its potential for exploitation via cross-site scripting (XSS).
2
How do I fix CVE-2025-63083?
To fix CVE-2025-63083, ensure that you update your Joomla! Core to the latest version that addresses this vulnerability.
3
What type of vulnerability is CVE-2025-63083?
CVE-2025-63083 is a cross-site scripting (XSS) vulnerability caused by a lack of output escaping in the pagebreak plugin.
4
Which software is affected by CVE-2025-63083?
CVE-2025-63083 affects the Joomla! Core software, specifically versions that utilize the pagebreak plugin.
5
Can CVE-2025-63083 be exploited?
Yes, CVE-2025-63083 can be exploited by attackers to execute malicious scripts in users' browsers.