CVE-2021-39334 : Exploit Details and Defense Strategies
Learn about CVE-2021-39334, a medium severity vulnerability affecting Job Board Vanila Plugin <= 1.0, allowing attackers to execute arbitrary scripts. Find mitigation steps here.
This CVE-2021-39334 article provides details about the Job Board Vanila Plugin vulnerability.
Understanding CVE-2021-39334
This section explains the vulnerability, its impact, technical details, and mitigation steps.
What is CVE-2021-39334?
The Job Board Vanila Plugin <= 1.0 is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization, allowing attackers with administrative user access to inject arbitrary web scripts.
The Impact of CVE-2021-39334
- CVSS Score: 5.5 (Medium)
- Attack Vector: Network
- Privileges Required: High
- Affected Versions: Up to and including 1.0
- Description: Allows attackers to execute malicious scripts.
Technical Details of CVE-2021-39334
This section covers the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from inadequate validation of user input in the psjb_exp_in and psjb_curr_in parameters of the job-settings.php file in versions up to 1.0.
Affected Systems and Versions
- Product: Job Board Vanila Plugin
- Vendor: Job Board Vanila Plugin
- Affected Version: 1.0
Exploitation Mechanism
- Attackers with administrative user access can exploit the vulnerability by injecting malicious scripts.
Mitigation and Prevention
Explore immediate steps and long-term security practices to safeguard systems.
Immediate Steps to Take
- Uninstall the Job Board Vanila Plugin from the WordPress site.
Long-Term Security Practices
- Regularly update plugins and WordPress core to prevent future vulnerabilities.
- Enable strong user authentication mechanisms.
Patching and Updates
Stay informed about security updates and apply patches promptly.