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CVE-2025-4204: SQL Injection Vulnerability in Ultimate Auction Pro WordPress Plugin

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Overview

The CVE-2025-4204 vulnerability pertains to the Ultimate Auction Pro plugin for WordPress, where an SQL Injection vulnerability has been identified. This vulnerability affects all versions up to and including 1.5.2 of the plugin. It poses a significant threat to WordPress sites that use this plugin because it could lead to system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-4204
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Possible system compromise and sensitive data leakage

Affected Products

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Product | Affected Versions

Ultimate Auction Pro WordPress Plugin | Up to and including 1.5.2

How the Exploit Works

The exploit takes advantage of the ‘auction_id’ parameter in the Ultimate Auction Pro plugin, which lacks sufficient escaping and preparation on the SQL query. An attacker could inject malicious SQL statements into the already existing queries, allowing them to manipulate the database and extract sensitive information.

Conceptual Example Code

Here is a conceptual example of how this vulnerability might be exploited:

GET /wp-content/plugins/ultimate-auction/auction.php?auction_id=1 OR 1=1 UNION SELECT username, password FROM wp_users HTTP/1.1
Host: target.example.com

In this example, the exploit would return all usernames and passwords from the `wp_users` table. The “1 OR 1=1” part of the query always evaluates to true, effectively bypassing any checks on the ‘auction_id’ parameter.

Mitigation Guidance

Users are advised to apply the vendor patch as soon as possible. If the patch cannot be applied immediately, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as a temporary mitigation to detect and block malicious SQL queries.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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