CVE-2024-6591: Ultimate WordPress Auction Plugin <= 4.2.7 - Missing Authorization to Unauthenticated Email Creation

Severity: medium (CVSS 5.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-27 · updated 2026-06-17
Weakness: CWE-862

Description

The Ultimate WordPress Auction Plugin plugin for WordPress is vulnerable to unauthorized email creation and sending due to a missing capability check on the 'send_auction_email_callback' and 'resend_auction_email_callback' functions in all versions up to, and including, 4.2.7. This makes it possible for unauthenticated attackers to craft emails that include links and send to any email address.

Affected products

nitesh_singh Ultimate Wordpress Auction Plugin: through 4.2.6

References

https://plugins.trac.wordpress.org/changeset/3132812/ultimate-auction/trunk/ultimate-auction.php
https://www.wordfence.com/threat-intel/vulnerabilities/id/534a5d1d-cc34-4d84-b3a3-bf2282718656?source=cve
https://plugins.trac.wordpress.org/browser/ultimate-auction/trunk/ultimate-auction.php#L119
https://plugins.trac.wordpress.org/browser/ultimate-auction/trunk/ultimate-auction.php#L93
https://www.wordfence.com/threat-intel/vulnerabilities/id/534a5d1d-cc34-4d84-b3a3-bf2282718656?source=cve

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