High severity7.5NVD Advisory· Published Jun 7, 2023· Updated Apr 8, 2026

CVE-2021-4339

Description

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.

Affected products

Stellarwp/Ulisting
cpe:2.3:a:stylemixthemes:ulisting:*:*:*:*:*:wordpress:*:*
Range: <=1.6.6
WordPress/Ulistingllm-fuzzy
Range: <=1.6.6
Package: https://wordpress.org/plugins/ulisting

Patches

Vulnerability mechanics

References

blog.nintechnet.com/wordpress-ulisting-plugin-fixed-multiple-critical-vulnerabilities/nvdExploit
www.wordfence.com/threat-intel/vulnerabilities/id/0a6615fd-7c37-45d9-a657-0ba00df840e5nvdThird Party Advisory
plugins.trac.wordpress.org/changesetnvdRelease Notes

News mentions

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