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CVE-2026-1246

MEDIUM 4.9 CVSS 3.1
Published
February 5, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Description

The ShortPixel Image Optimizer plugin for WordPress is vulnerable to Arbitrary File Read via path traversal in the 'loadFile' parameter in all versions up to, and including, 6.4.2 due to insufficient path validation and sanitization in the 'loadLogFile' AJAX action. This makes it possible for authenticated attackers, with Editor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information such as database credentials and authentication keys.

Affected WordPress components

  • ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF Plugin · shortpixel-image-optimiser
    Confirmed match Active
    Up to and including 6.4.2
    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 6.4.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/shortpixel-image-optimiser/tags/6.4.1/class/Controller/AjaxController.php#L1686
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/shortpixel-image-optimiser/tags/6.4.1/class/Controller/AjaxController.php#L309
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/shortpixel-image-optimiser/tags/6.4.1/class/Controller/BulkController.php#L200
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3449706%40shortpixel-image-optimiser&new=3449706%40shortpixel-image-optimiser&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/03cb41d2-67c8-457f-8d85-7aede8e12d44?source=cve
  • nvd.nist.gov Official NVD record