CVE-2025-11127

Comprehensive Technical Analysis of CVE-2025-11127

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2025-11127

Description: The Mstoreapp Mobile App WordPress plugin through version 2.08 and Mstoreapp Mobile Multivendor through version 9.0.1 contain a vulnerability where user identity verification is not properly conducted during AJAX actions. This flaw allows unauthenticated users to retrieve a valid session for arbitrary users by knowing their email address.

CVSS Score: 9.8

Severity Evaluation:

• Critical: A CVSS score of 9.8 indicates a critical vulnerability. The high score is due to the potential for unauthenticated access, which can lead to significant security breaches.
• Impact: This vulnerability can result in unauthorized access to user sessions, leading to data breaches, account takeovers, and potential escalation of privileges.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated Access: An attacker can exploit this vulnerability without needing any authentication credentials.
• Email Enumeration: The attacker needs to know the email address of the target user, which can often be obtained through social engineering, phishing, or public data sources.

Exploitation Methods:

• AJAX Request Manipulation: The attacker can craft malicious AJAX requests to the vulnerable endpoint, impersonating the target user by providing their email address.
• Session Hijacking: Once a valid session is retrieved, the attacker can hijack the session and perform actions on behalf of the legitimate user.

3. Affected Systems and Software Versions

Affected Software:

• Mstoreapp Mobile App WordPress Plugin: Versions up to and including 2.08
• Mstoreapp Mobile Multivendor: Versions up to and including 9.0.1

Affected Systems:

• WordPress Websites: Any WordPress installation using the affected versions of the Mstoreapp plugins.
• Mobile Applications: Mobile apps that rely on the Mstoreapp plugins for backend functionality.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update Plugins: Immediately update the Mstoreapp Mobile App and Mstoreapp Mobile Multivendor plugins to the latest versions that address this vulnerability.
• Disable AJAX Endpoints: Temporarily disable or restrict access to the vulnerable AJAX endpoints until a patch is applied.

Long-Term Mitigations:

• Regular Patching: Implement a regular patching and update schedule for all plugins and software.
• Access Controls: Enforce strict access controls and authentication mechanisms for all AJAX endpoints.
• Monitoring: Implement monitoring and logging for suspicious activities related to AJAX requests and user sessions.

5. Impact on Cybersecurity Landscape

Broader Implications:

• Increased Risk: The vulnerability highlights the risks associated with improper user verification in web applications, particularly those using AJAX.
• Attack Surface: It underscores the importance of securing all endpoints, including those used for dynamic content loading.
• User Trust: Compromises can lead to a loss of user trust and potential legal repercussions due to data breaches.

Industry Response:

• Awareness: Increased awareness among developers and security professionals about the need for robust user verification mechanisms.
• Best Practices: Reinforcement of best practices for securing AJAX endpoints and user sessions.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: The specific AJAX endpoint that fails to verify user identity.
• Request Parameters: The parameters required to exploit the vulnerability, including the email address of the target user.
• Session Management: The mechanism by which a valid session is retrieved and how it can be hijacked.

Detection and Response:

• Log Analysis: Review logs for unusual AJAX requests and session activities.
• Intrusion Detection: Implement intrusion detection systems (IDS) to monitor for suspicious AJAX requests.
• Incident Response: Develop an incident response plan that includes steps for identifying, containing, and remediating session hijacking incidents.

Code Review:

• Verification Mechanisms: Ensure that all AJAX endpoints properly verify user identity before granting access.
• Input Validation: Implement robust input validation and sanitization for all user-supplied data.

Conclusion: CVE-2025-11127 represents a critical vulnerability that underscores the importance of secure user verification and session management in web applications. Immediate mitigation through updates and access controls is essential, along with long-term strategies to enhance overall security posture.

References:

• WPScan Vulnerability Database

---

This analysis provides a comprehensive overview of CVE-2025-11127, highlighting its critical nature and the necessary steps for mitigation and prevention.