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CVE-2026-9282

HIGH 7.5 CVSS 3.1
Published
July 11, 2026
Last modified
July 14, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

The W3 Total Cache plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.9.4 via the setupSources function. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires enabling manual minify mode and supplying a manual-format minify filename so that the hash is empty and the f_array[] entries are not overwritten before reaching setupSources().

Affected WordPress components

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

  • boldgrid W3 Total Cache — Up to and including 2.9.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.4/Minify_MinifiedFileRequestHandler.php#L191
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.4/Minify_Plugin.php#L132
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.4/lib/Minify/Minify/Controller/MinApp.php#L109
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/w3-total-cache/tags/2.9.4/lib/Minify/Minify/Controller/MinApp.php#L163
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3585227%40w3-total-cache&new=3585227%40w3-total-cache
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/e92cc06d-006f-4bba-a4ef-b23d80c00085?source=cve
  • nvd.nist.gov Official NVD record