CVE-2025-23530 is a high-severity Cross-Site Request Forgery (CSRF) vulnerability found in the yonisink Custom Post Type Lockdown plugin. This vulnerability allows for privilege escalation, potentially granting unauthorized users elevated permissions within the affected application. The flaw affects versions from n/a up to and including version 1.11.
The CVSS score for this vulnerability is 8.8, indicating a high level of risk due to its potential impact on confidentiality, integrity, and availability. Organizations utilizing this plugin should be particularly vigilant, as the attack vector is categorized as network-based, with low attack complexity.
Given that the vulnerability requires user interaction, the risk to organizations includes the possibility of an attacker exploiting this vulnerability through social engineering techniques. Organizations should prioritize patching immediately to prevent unauthorized access to their systems.
Currently, there are no public exploit details available, and the vulnerability status is marked as deferred. However, the potential for exploitation remains, and the urgency for remediation cannot be understated.
Vulnerability Details
The official description of CVE-2025-23530 details a Cross-Site Request Forgery (CSRF) vulnerability within the yonisink Custom Post Type Lockdown plugin, which allows for privilege escalation. This issue has been observed in versions from n/a to 1.11.
The vulnerability is classified under CWE-352, indicating that it is associated with Cross-Site Request Forgery issues. As noted, the CVSS score for this vulnerability is 8.8, reflecting its high severity.
The vulnerability was published on January 16, 2025, and has not been officially scored by CVSS at this time. The affected product is the yonisink Custom Post Type Lockdown plugin, which is widely used in various WordPress implementations.
Technical Analysis
The root cause of this vulnerability is poor validation of user input, which allows attackers to forge requests on behalf of authenticated users. The attack vector is classified as network-based, meaning that an attacker can exploit this vulnerability remotely.
The attack complexity is low, as it does not require any specialized skills or knowledge. Privileges required for this attack are none, which makes the vulnerability particularly concerning. User interaction is required, as the victim must engage with the malicious content.
The potential impacts of this vulnerability are significant. Confidentiality, integrity, and availability are all affected at a high level, which could lead to unauthorized access and manipulation of system data.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2025-23530 is significant. Organizations using the yonisink Custom Post Type Lockdown plugin should be particularly concerned about the blast radius potential, as the vulnerability can lead to full administrative access for attackers.
This vulnerability matters to organizations because it enables attackers to escalate privileges, potentially compromising sensitive data and functionality. As the CVSS score indicates a high severity, organizations should address this in their priority patch cycle.
The urgency for remediation is heightened by the fact that, while there are currently no known exploits, the potential for exploitation exists, especially as awareness of this vulnerability spreads within the cybercriminal community.
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch are affected by this vulnerability, specifically up to and including version 1.11 of the yonisink Custom Post Type Lockdown plugin.
Mitigation & Remediation
Organizations should prioritize patching this vulnerability by updating to the latest version of the yonisink Custom Post Type Lockdown plugin. If a patch is unavailable, consider implementing configuration hardening to reduce exposure.
Monitoring for unusual behaviors associated with privilege escalation attempts can also help in early detection of exploitation attempts. For continuous security testing, organizations may consider leveraging continuous penetration testing to validate their security posture.
Detection Guidance
Organizations should monitor logs for indicators of unauthorized access or privilege escalation attempts. Behavioral anomalies, such as unexpected changes to user roles or permissions, should be flagged for investigation.
AppSecure Threat Intelligence Insight
Long-term, the significance of CVE-2025-23530 lies in its demonstration of how common vulnerabilities can lead to severe impacts if not addressed promptly. It reflects the ongoing trends in vulnerabilities that leverage CSRF for privilege escalation.
Security teams should learn from this incident to improve their defenses against similar vulnerabilities, particularly in ensuring proper validation of inputs and implementing robust CSRF protections.
For further insights into defensive strategies, organizations can explore CSRF attack prevention and best practices for application security.
Additionally, organizations can benefit from understanding the implications of privilege escalation vulnerabilities by reviewing resources such as privilege escalation in cybersecurity to reinforce their security frameworks.
Finally, organizations should consider adopting a comprehensive approach to vulnerability management by referring to the vulnerability management program design to ensure ongoing protection against emerging threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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