Arbitrary file upload in Crelly Slider - #VU18871
Published: June 21, 2019 / Updated: June 24, 2019
Vulnerability identifier: #VU18871
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: N/A
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fabio Rinaldi
Affected software:
Crelly Slider
Crelly Slider
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the ‘ajax.php’ script does not check user capabilities when loaded by the "is_admin()" function. A remote authenticated user can upload PHP scripts and compromise the website.
Remediation
Install updates from vendor's website.