CVE-2022-28367 : Vulnerability Insights and Analysis
Learn about CVE-2022-28367, a critical XSS vulnerability in OWASP AntiSamy versions before 1.6.6. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
OWASP AntiSamy before 1.6.6 is vulnerable to XSS via HTML tag smuggling on STYLE content. This allows attackers to execute malicious scripts by crafting input that bypasses the inadequate encoding of CSS content.
Understanding CVE-2022-28367
This CVE identifies a security vulnerability in OWASP AntiSamy version 1.6.6 and earlier that enables Cross-Site Scripting (XSS) attacks through manipulated input styles.
What is CVE-2022-28367?
OWASP AntiSamy prior to version 1.6.6 is susceptible to XSS attacks via HTML tag smuggling on STYLE content. This flaw arises from the inadequate encoding of CSS content within the output serializer.
The Impact of CVE-2022-28367
The impact of this vulnerability is significant as it allows threat actors to inject and execute malicious scripts within web applications, compromising data integrity and user security.
Technical Details of CVE-2022-28367
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
OWASP AntiSamy's inability to properly encode CSS content in STYLE tags leads to XSS vulnerabilities, enabling attackers to inject harmful scripts.
Affected Systems and Versions
All versions of OWASP AntiSamy prior to 1.6.6 are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this issue by crafting specific input to smuggle HTML tags within STYLE content, bypassing security measures.
Mitigation and Prevention
To address CVE-2022-28367, immediate action and long-term security practices are crucial.
Immediate Steps to Take
- Update OWASP AntiSamy to version 1.6.6 or newer to mitigate the vulnerability.
- Implement input validation and output encoding to prevent XSS attacks.
Long-Term Security Practices
- Regularly monitor and update security patches for all software dependencies.
- Conduct security audits and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
Stay informed about security advisories and updates from OWASP AntiSamy to ensure continuous protection against emerging threats.