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Vulnerability record · CVE-2026-11911 · published 20 June 2026

CVE-2026-11911: Path traversal vulnerability

The Simple File List plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the eeSFL_DeleteFile function in all versions up to, and including, 6.3.7. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The simplefilelist_edit_job AJAX action is registered via wp_ajax_nopriv_, making it accessible without authentication, and the is_admin() guard that would otherwise restrict access is bypassed because is_admin() always returns true for requests to the admin-ajax.php endpoint.

7.5 CVSS 3.1 High EPSS 1.2% · top 33.7% CWE-22 · Path traversal Deferred
7.5CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
22 Jun 2026Last modified by NVD

Description

The Simple File List plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the eeSFL_DeleteFile function in all versions up to, and including, 6.3.7. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). The simplefilelist_edit_job AJAX action is registered via wp_ajax_nopriv_, making it accessible without authentication, and the is_admin() guard that would otherwise restrict access is bypassed because is_admin() always returns true for requests to the admin-ajax.php endpoint.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

LinkTags
https://plugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-functions.php#L1281
https://plugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-functions.php#L894
https://plugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-list-display.php#L473
https://plugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/simple-file-list.php#L262
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3579098%40simple-file-list&new=3579098%
https://www.wordfence.com/threat-intel/vulnerabilities/id/748c4ca8-fcbf-43e5-ab70-721e83253663?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-11911), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.