SB2019031401 - Arbitrary file upload in SG Optimizer plugin for WordPress
Published: March 14, 2019 Updated: March 25, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: N/A)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to upload arbitrary file to the server.
The vulnerability exists due to incorrect implementation of access permissions within the RESTFull API callback. A remote attacker can upload and execute arbitrary .php file on the system.
Successful exploitation of the vulnerability will result in system compromise.
Remediation
Install update from vendor's website.