CVE-2023-29506 Explained : Impact and Mitigation
Learn about CVE-2023-29506, a Medium severity XSS vulnerability in XWiki platform versions, and steps to mitigate the risk. Update to secure versions to prevent exploitation.
This CVE-2023-29506 involves a vulnerability in the "org.xwiki.platform:xwiki-platform-security-authentication-default" containers, specifically related to Cross-site Scripting (XSS) with authenticated endpoints.
Understanding CVE-2023-29506
This vulnerability allows attackers to inject malicious code using the URL of authenticated endpoints in XWiki platforms, potentially compromising user data and system integrity.
What is CVE-2023-29506?
The CVE-2023-29506 vulnerability, classified under CWE-79, arises from improper neutralization of input during web page generation, leading to XSS attacks.
The Impact of CVE-2023-29506
With a CVSS base score of 5.4 (Medium Severity), this vulnerability can be exploited remotely with user interaction required, affecting confidentiality and integrity.
Technical Details of CVE-2023-29506
XWiki Commons, shared technical libraries, was susceptible to code injection via authenticated endpoint URLs. The issue was addressed in XWiki versions 13.10.11, 14.4.7, and 14.10.
Vulnerability Description
The vulnerability stemmed from the inability to properly handle user input in authenticated endpoint URLs, enabling attackers to execute XSS attacks.
Affected Systems and Versions
- XWiki platform versions >= 13.10.8 and < 13.10.11
- XWiki platform versions >= 14.4.3 and < 14.4.7
- XWiki platform versions >= 14.6 and < 14.10
Exploitation Mechanism
Attackers could exploit this vulnerability by crafting malicious URLs targeting authenticated endpoints, leading to XSS payload execution.
Mitigation and Prevention
To address CVE-2023-29506:
Immediate Steps to Take
- Update XWiki platform to versions 13.10.11, 14.4.7, or 14.10 to mitigate the XSS vulnerability.
- Monitor system logs and network traffic for any suspicious activities indicating potential exploitation.
Long-Term Security Practices
- Educate users on safe browsing habits to minimize the risk of executing malicious scripts.
- Implement content security policies to prevent unauthorized script execution on web pages.
Patching and Updates
Regularly apply security patches and updates provided by XWiki to address known vulnerabilities.