CVE-2018-20988 : Security Advisory and Response
Learn about CVE-2018-20988 affecting the wpgform plugin for WordPress. Understand the eval injection vulnerability, its impact, and mitigation steps to secure your website.
The wpgform plugin for WordPress before version 0.94 is vulnerable to eval injection in the CAPTCHA calculation.
Understanding CVE-2018-20988
This CVE entry describes a security issue in the wpgform plugin for WordPress that allows for eval injection in the CAPTCHA calculation.
What is CVE-2018-20988?
The vulnerability in the wpgform plugin before version 0.94 for WordPress enables attackers to perform eval injection in the CAPTCHA calculation, potentially leading to security breaches.
The Impact of CVE-2018-20988
The presence of eval injection in the CAPTCHA calculation of the wpgform plugin can be exploited by malicious actors to execute arbitrary code, compromising the security of WordPress websites that utilize this plugin.
Technical Details of CVE-2018-20988
This section provides technical insights into the vulnerability.
Vulnerability Description
The wpgform plugin prior to version 0.94 for WordPress is susceptible to eval injection in the CAPTCHA calculation, allowing attackers to execute malicious code.
Affected Systems and Versions
- Affected Product: wpgform plugin
- Affected Versions: Versions prior to 0.94
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious code into the CAPTCHA calculation process, potentially gaining unauthorized access or causing other security issues.
Mitigation and Prevention
Protecting systems from CVE-2018-20988 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the wpgform plugin to version 0.94 or newer to mitigate the eval injection vulnerability.
- Consider disabling the plugin until it is patched to prevent exploitation.
Long-Term Security Practices
- Regularly update plugins and themes to ensure the latest security patches are applied.
- Implement web application firewalls and security plugins to enhance website security.
Patching and Updates
- Stay informed about security updates for the wpgform plugin and apply patches promptly to address known vulnerabilities.