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CVE-2025-11378

MEDIUM 5.4 CVSS 3.1
Published
October 18, 2025
Last modified
October 9, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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.

Affected WordPress components

  • ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF Plugin · shortpixel-image-optimiser
    Confirmed match Active
    Up to and including 6.3.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF — Up to and including 6.3.4

References

  • github.com https://github.com/short-pixel-optimizer/shortpixel-image-optimiser/commit/74263060acafbaf63b4a34f339a8b0dc35f2cad9
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3379473%40shortpixel-image-optimiser&new=3379473%40shortpixel-image-optimiser&sfp_email=&sfph_mail=
  • research.cleantalk.org https://research.cleantalk.org/CVE-2025-11378
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/1f7e9eb5-e222-43fa-a14f-b9cbced6b8f5?source=cve
  • nvd.nist.gov Official NVD record