PT-2023-12468 · WordPress · Frontend File Manager

Jerome Bruandet · Published 2023-06-07 · Updated 2023-06-13 · CVE-2021-4359

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Frontend File Manager plugin for WordPress versions up to, and including, 18.2

Description The issue arises from lacking authentication protections and a security nonce on the wpfm delete file AJAX action, allowing unauthenticated attackers to delete any posts and pages on the site.

Recommendations For versions up to, and including, 18.2, update to a version that includes proper authentication protections and a security nonce for the wpfm delete file AJAX action to prevent unauthenticated post deletion.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-4359

Affected Products

Frontend File Manager

References · 5

• 🔥 https://blog.nintechnet.com/wordpress-frontend-file-manager-plugin-fixed-multiple-critical-vulnerabilities · Exploit
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2554359%40nmedia-user-file-uploader&new=2554359%40nmedia-user-file-uploader&sfp_email=&sfph_mail= · Patch
• https://osv.dev/vulnerability/CVE-2021-4359 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4359 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/84c61d00-20c1-4176-a74d-ea6ff6220f26?source=cve · Note