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CVE-2025-0853: SQL Injection Vulnerability in PGS Core Plugin for WordPress

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Overview

The CVE-2025-0853 refers to a serious security vulnerability found in the PGS Core Plugin for WordPress. This vulnerability might allow unauthenticated attackers to execute SQL injections via the ‘event’ parameter in the ‘save_header_builder’ function. Due to the high severity of this issue, it presents a significant risk to WordPress websites using the PGS Core Plugin, as it could lead to system compromise or sensitive data exposure.

Vulnerability Summary

CVE ID: CVE-2025-0853
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential sensitive data leakage

Affected Products

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Product | Affected Versions

PGS Core Plugin for WordPress | Up to and including 5.8.0

How the Exploit Works

The vulnerability is due to an input validation flaw in the ‘save_header_builder’ function of the PGS Core Plugin for WordPress. By supplying a malicious ‘event’ parameter in a request, an unauthenticated attacker could inject SQL commands into the back-end database. As the plugin does not properly sanitize this user-supplied input, the attacker’s SQL commands could be executed in the context of the application, leading to unauthorized data access, modification, or system compromise.

Conceptual Example Code

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

POST /wp-admin/admin-ajax.php?action=save_header_builder HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
event=1; DROP TABLE users;--

In this example, the attacker sends a POST request to the vulnerable endpoint with an ‘event’ parameter, containing a malicious SQL command that deletes the ‘users’ table from the database.

Mitigation

Users of the affected PGS Core Plugin for WordPress are advised to apply the vendor patch as soon as it becomes available. As a temporary mitigation measure, users may also consider using Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) to detect and prevent exploitation attempts. Regularly updating all software components and conducting security audits can also help in identifying and preventing potential vulnerabilities in the future.

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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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