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CVE-2025-5920: Serious Vulnerability in Sharable Password Protected Posts Exposing Secret Keys

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Overview

The vulnerability, identified as CVE-2025-5920, is a security flaw that impacts the Sharable Password Protected Posts software prior to version 1.1.1. This vulnerability can potentially lead to data leakage or full system compromise due to the exposure of secret keys via a GET parameter in the REST API. It is a significant threat to any entity using this software as it could grant unauthorized access to sensitive information.

Vulnerability Summary

CVE ID: CVE-2025-5920
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized data access, system compromise

Affected Products

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Product | Affected Versions

Sharable Password Protected Posts | Before 1.1.1

How the Exploit Works

The vulnerability stems from the software’s mishandling of secret keys in the REST API. An attacker can exploit this flaw by sending a GET request with the secret key as a parameter. The REST API then exposes this key, allowing the attacker to bypass the password protection on posts, thereby gaining unauthorized access to the content.

Conceptual Example Code

Here is a conceptual example illustrating how the vulnerability might be exploited:

GET /wp-json/wp/v2/posts?secret_key=[insert secret key] HTTP/1.1
Host: target.example.com
Accept: application/json

In this example, the attacker inserts the secret key into the GET request, which would then return the protected content if the vulnerability is present.

Recommended Mitigation

To remediate this vulnerability, users of Sharable Password Protected Posts are advised to upgrade to version 1.1.1 or later, where this vulnerability has been resolved. If an upgrade is not immediately possible, users can use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure.

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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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