CVE-2019-12517 : Vulnerability Insights and Analysis
Learn about CVE-2019-12517, a cross-site scripting vulnerability in slickquiz plugin up to version 1.3.7.1 for WordPress. Understand the impact, affected systems, exploitation, and mitigation steps.
A security vulnerability known as XSS was found in the slickquiz plugin up to version 1.3.7.1 for WordPress. This issue allows unauthorized individuals to submit quiz solutions or answers, leading to potential malicious payload execution.
Understanding CVE-2019-12517
This CVE identifies a cross-site scripting vulnerability in the slickquiz plugin for WordPress.
What is CVE-2019-12517?
- The vulnerability exists in the save_quiz_score functionality accessible through the /wp-admin/admin-ajax.php endpoint.
- Unauthorized users can submit quiz solutions or answers, which are stored in the database and displayed in the WordPress backend.
- Malicious payloads in the name or email field can be executed within the backend at /wp-admin/admin.php?page=slickquiz.
The Impact of CVE-2019-12517
- Affected users with at least Subscriber rights are at risk of unauthorized data submission and potential execution of malicious payloads.
Technical Details of CVE-2019-12517
This section provides technical insights into the vulnerability.
Vulnerability Description
- An XSS issue was discovered in the slickquiz plugin up to version 1.3.7.1 for WordPress.
- The save_quiz_score functionality allows unauthenticated users to submit quiz solutions/answers.
- The lack of proper data validation and sanitization enables the execution of malicious payloads.
Affected Systems and Versions
- Plugin versions up to 1.3.7.1 for WordPress are vulnerable.
Exploitation Mechanism
- Malicious payloads can be injected into the name or email field, leading to backend execution.
Mitigation and Prevention
Protecting systems from CVE-2019-12517 is crucial.
Immediate Steps to Take
- Update the slickquiz plugin to the latest secure version.
- Monitor backend activities for any suspicious submissions.
Long-Term Security Practices
- Implement strict input validation and data sanitization practices.
- Regularly audit and review plugin security.
Patching and Updates
- Apply security patches promptly to mitigate the risk of exploitation.