CVE-2021-44211 Explained : Impact and Mitigation
Discover how OX App Suite up to version 7.10.5 is susceptible to XSS attacks via HTML e-mail signature elements. Learn the impacts, technical details, and mitigation steps for CVE-2021-44211.
OX App Suite through 7.10.5 allows XSS via the class attribute of an element in an HTML e-mail signature.
Understanding CVE-2021-44211
OX App Suite through version 7.10.5 is vulnerable to a cross-site scripting (XSS) attack through a specific element in an HTML e-mail signature.
What is CVE-2021-44211?
This CVE describes a security vulnerability in OX App Suite where an attacker can execute malicious scripts using the class attribute of an element in an HTML e-mail signature, leading to potential XSS attacks.
The Impact of CVE-2021-44211
- Allows malicious actors to execute arbitrary scripts in the context of an authenticated user's session.
- Can lead to unauthorized access to sensitive information, cookie theft, or other malicious activities.
Technical Details of CVE-2021-44211
OX App Suite's vulnerability to XSS attacks through the class attribute of an HTML e-mail signature.
Vulnerability Description
An XSS vulnerability in OX App Suite allows attackers to inject and execute malicious scripts via the class attribute of an element within an HTML e-mail signature.
Affected Systems and Versions
- Product: OX App Suite
- Versions affected: Up to 7.10.5
Exploitation Mechanism
The vulnerability can be exploited by an attacker crafting a specially designed e-mail signature with a malicious class attribute.
Mitigation and Prevention
Steps to secure systems and prevent exploitation of CVE-2021-44211.
Immediate Steps to Take
- Patch OX App Suite to the latest version that addresses the XSS vulnerability.
- Educate users on the potential risks of opening e-mails from untrusted sources.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement content security policies to reduce the risk of XSS attacks.
- Conduct regular security training for employees to enhance awareness of phishing and social engineering tactics.
Patching and Updates
Apply vendor-provided security patches promptly to protect against known vulnerabilities.