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OpenAdvisories
Critical · 9.1 CVE-2023-6699 EUVD-2023-58920GHSA-8frc-4g87-v5h6

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

Published Jan 11, 2024 · Updated Apr 8, 2026 · Assigned by Wordfence

Description

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.

Affected products

VendorProductAffectedFixed
aresit WP Compress – Instant Performance & Speed Optimization ≤ 6.10.33 —

References