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CVE-2026-11911

7.5 · HIGH

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.…

Published Jun 20, 2026CWE-22EPSS 1.17%

Overview

CVE-2026-11911 is a high-severity vulnerability. It was published on June 20, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-functions.php#L1281Refplugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-functions.php#L894Refplugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/includes/ee-list-display.php#L473Refplugins.trac.wordpress.org/browser/simple-file-list/tags/6.3.6/simple-file-list.php#L262Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3579098%40simple-file-list&new=3579098%40simple-file-list&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/748c4ca8-fcbf-43e5-ab70-721e83253663?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-11911?

CVE-2026-11911 is a high-severity vulnerability. It was published on June 20, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-11911?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-11911?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-11911?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-11911 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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