Path traversal in Joomla! - CVE-2021-26028

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Main Vulnerability Database Vulnerabilities #VU51118

Path traversal in Joomla! - CVE-2021-26028

Published: March 2, 2021


Vulnerability identifier: #VU51118
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-26028
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Joomla!
Software vendor:
Joomla!

Description

The vulnerability allows a remote user to overwrite files on the system

The vulnerability exists due to input validation error when processing directory traversal sequences within zip archives. A remote user can pass specially crafted .zip file to the application and write files outside of the intended path.


Remediation

Install update from vendor's website.

External links