CVE-2021-4357

9.1 CRITICAL
Published: June 07, 2023 Modified: April 08, 2026
View on NVD

Description

The uListing plugin for WordPress is vulnerable to authorization bypass due to missing capability checks, and a missing security nonce, on the UlistingUserRole::save_role_api function in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to arbitrarily delete site posts and pages.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/
Source: security@wordfence.com
Exploit
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=
Source: security@wordfence.com
Patch
https://wordpress.org/plugins/ulisting/#developers
Source: security@wordfence.com
Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/71aa14b8-39bc-4b91-a7cf-9d203fdf44ea?source=cve
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2456786%40ulisting&new=2456786%40ulisting&sfp_email=&sfph_mail=
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://wordpress.org/plugins/ulisting/#developers
Source: af854a3a-2127-422b-91ae-364da2661108
Product
https://www.wordfence.com/threat-intel/vulnerabilities/id/71aa14b8-39bc-4b91-a7cf-9d203fdf44ea?source=cve
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
0.1%
29th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-862 CWE-862

Affected Vendors

stylemixthemes

Related CVEs

CVE-2026-5231 7.2
CVE-2026-5162 6.4
CVE-2026-4817 6.5
CVE-2026-3488 6.5
CVE-2026-40922 N/A