SB2019031401 - Arbitrary file upload in SG Optimizer plugin for WordPress



SB2019031401 - Arbitrary file upload in SG Optimizer plugin for WordPress

Published: March 14, 2019 Updated: March 25, 2019

Security Bulletin ID SB2019031401
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • 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.