Description
A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
High
Integrity (Subsequent System)
High
Availability (Subsequent System)
High
E
Adjacent
AU
Y
U
Red
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- joomlacontenteditor.net / Joomla Content Editor (JCE) extension for Joomla1.0.0-2.9.99.4 – 1.0.0-2.9.99.4
- widgetfactorylimited / jce2.9.99.5
Exploits & proofs of concept
- exploit-dbJoomla JCE_2.9.15 - Remote Code Executionby Jared Brits
- exploit-dbJoomla 2.9.99.4 - Unauthenticated Remote Code Executionby Jared Brits
- nucleiJoomla! JCE extension < 2.9.99.5 unauthenticated RCEby ywh-jfellus
News coverage
- CISA Warns of Actively Exploited Joomla JCE Flaw Allowing PHP Code ExecutionThe Hacker News · 6/17/2026
References
Updated 5m ago · 8 sources