CVE-2025-11378

Medium

Description

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
PublishedOct 18, 2025
First seenOct 18, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIFv ≤ 6.3.4—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.