CVE-2023-6699 CRITICAL

CVE-2023-6699: WP Compress – Image Optimizer [All-In-One] <= 6.10.33 - Unauthenticated Directory Traversal via css

Vendor Aresit
Product WP Compress – Instant Performance & Speed Optimization
Weakness CWE-24
Published January 11, 2024
Last update April 8, 2026

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

The WP Compress – Image Optimizer [All-In-One] plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 6.10.33 via the css parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.

Key dates

02Disclosure timeline

January 11, 2024 CVE published
April 8, 2026 Record updated