ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export

2025-10-17 14:41
Dmitrii Ignatyev

Vulnerability Overview

The ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'shortpixel_ajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to export and import site options.

Technical Analysis

REMEDIATION: Update to version 6.3.5, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

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