CVE-2020-27851 Explained : Impact and Mitigation
Learn about CVE-2020-27851, where HTML injection vulnerabilities in Rocketgenius Gravity Forms before 2.4.21 allow remote attackers to insert malicious code, impacting users with elevated privileges. Find mitigation steps and preventive measures here.
Multiple stored HTML injection vulnerabilities in the "poll" and "quiz" features in an additional paid add-on of Rocketgenius Gravity Forms before 2.4.21 allow remote attackers to inject arbitrary HTML code via poll or quiz answers, which can be interpreted by users in privileged roles.
Understanding CVE-2020-27851
This CVE involves multiple stored HTML injection vulnerabilities in specific features of Rocketgenius Gravity Forms.
What is CVE-2020-27851?
The vulnerability allows remote attackers to inject arbitrary HTML code through the "poll" and "quiz" features in a paid add-on of Rocketgenius Gravity Forms, potentially impacting users with elevated privileges.
The Impact of CVE-2020-27851
The exploitation of this vulnerability can lead to unauthorized injection of HTML code, posing a risk of executing malicious scripts and compromising the security and integrity of the affected system.
Technical Details of CVE-2020-27851
This section provides detailed technical information about the CVE.
Vulnerability Description
The vulnerability arises from inadequate input validation in the "poll" and "quiz" features, enabling attackers to insert malicious HTML code.
Affected Systems and Versions
- Rocketgenius Gravity Forms before version 2.4.21
Exploitation Mechanism
Attackers can exploit this vulnerability by submitting crafted poll or quiz answers containing malicious HTML code.
Mitigation and Prevention
Protecting systems from CVE-2020-27851 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Rocketgenius Gravity Forms to version 2.4.21 or newer to mitigate the vulnerability.
- Monitor user-generated content for suspicious HTML code.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent HTML injection attacks.
- Educate users with privileged roles on safe content creation practices.
Patching and Updates
Regularly apply security patches and updates to all software components to address known vulnerabilities.