Ultimate WordPress Auction Plugin <= 4.2.9 - Missing Authorization to Arbitrary Post Deletion
Strategic Overview
- Status
- Patched in 4.3.0
- Affected Plugin
- Ultimate WordPress Auction Plugin
- Affected Version
<= 4.2.9- CVSS
- 5.4Medium
- Weakness type
- CWE-20 · Improper Input Validation
- CVE
CVE-2025-0958
At a glance
CVE-2025-0958 is a medium-severity Improper Input Validation vulnerability in the Ultimate WordPress Auction Plugin WordPress plugin, affecting versions <= 4.2.9. It carries a CVSS score of 5.4 (reachable over the network; low attack complexity). The root cause is a missing authorization check on a reachable function. The issue is fixed in version 4.3.0; sites on affected versions should update now. Disclosed March 2025, reported by Brian Sans-Souci (liardom).
Vulnerability Overview
The Ultimate WordPress Auction Plugin plugin for WordPress is vulnerable to unauthorized access to functionality in all versions up to, and including, 4.2.9. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary auctions, posts as well as pages and allows them to execute other actions related to auction handling.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.
CWE-20: Improper Input Validation
Reaching this weakness in Ultimate WordPress Auction Plugin <= 4.2.9 takes a caller who can reach the endpoint. Improper input validation means the application accepts input without confirming it has the form, type or range the code downstream assumes.
The concrete impact depends on where the unvalidated value lands, which is why records in this class range from cosmetic bugs to full compromise. For Ultimate WordPress Auction Plugin the fix is 4.3.0: builds <= 4.2.9 are affected, anything from 4.3.0 onward is not.
Remediation
Update to version 4.3.0, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to Ultimate WordPress Auction Plugin: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Ultimate WordPress Auction Plugin 4.3.0 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in Ultimate WordPress Auction Plugin
- 8.8Ultimate Auction <= 4.0.5 CSRF and Cross-Site Scripting
- 8.8Ultimate WordPress Auction Plugin < 1.0.1 Cross-Site Request Forgery
- 5.8CVE-2024-6591: Ultimate WordPress… Unauthenticated Email Creation
CVE-2024-6591 - 5.3CVE-2025-66125: Ultimate Auction <= 4.3.3 Information Exposure
CVE-2025-66125 - 4.3CVE-2025-68084: Ultimate Auction <= 4.3.2 Missing Authorization
CVE-2025-68084 - 4.3CVE-2024-37543: Ultimate Auction <= 4.2.5 Cross-Site Request Forgery
CVE-2024-37543
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C