Auth bypass in Stylemix Directory Listings WordPress Plugin – Ulisting
CVE-2021-4339
The uListing plugin for WordPress is vulnerable to authorization bypass due to a missing capability check in the "ulisting/includes/route.php" file on the /1/api/ulisting-user/search REST-API route in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to retrieve the list of all users and their email address in the database.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/0a6615fd-7c37-45d9-a657-0ba00… (Third Party Advisory)
- blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabi… (Exploit)
- plugins.trac.wordpress.org/changeset (Release Notes)
Frequently asked questions
- What is CVE-2021-4339?
- CVE-2021-4339 is a high-severity vulnerability in Stylemix Directory Listings WordPress Plugin – Ulisting, classified under Missing Authorization. CVSS score: 7.5/10. Published 2023-06-07.
- How severe is CVE-2021-4339?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-4339 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.