External Control of File Name or Path in Joomla! - CVE-2026-23898
Published: April 1, 2026
Vulnerability identifier: #VU124736
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-23898
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to delete arbitrary files.
The vulnerability exists due to application allows an attacker to control path of the files to delete in com_joomlaupdate. A remote attacker can delete arbitrary files on the system.
Affected software
Joomla!
How to mitigate CVE-2026-23898
Install updates from vendor's website.
Joomla! - addressed in versions 5.4.4, 6.0.4