CVE-2020-27957 : Vulnerability Insights and Analysis
Learn about CVE-2020-27957 affecting RandomGameUnit extension in MediaWiki, allowing stored XSS attacks. Find mitigation steps and preventive measures here.
RandomGameUnit extension for MediaWiki through 1.35 allows stored XSS due to improper data escaping.
Understanding CVE-2020-27957
The vulnerability in the RandomGameUnit extension for MediaWiki allows for stored XSS attacks.
What is CVE-2020-27957?
The RandomGameUnit extension for MediaWiki through version 1.35 does not properly escape title-related data, enabling manipulation of game names to execute stored XSS attacks.
The Impact of CVE-2020-27957
- Attackers can exploit this vulnerability to inject malicious scripts into the extension, potentially leading to unauthorized access or data theft.
Technical Details of CVE-2020-27957
The following technical details provide insight into the vulnerability.
Vulnerability Description
- The RandomGameUnit extension for MediaWiki through version 1.35 is susceptible to stored XSS due to inadequate data escaping mechanisms.
Affected Systems and Versions
- Product: RandomGameUnit extension for MediaWiki
- Vendor: N/A
- Versions affected: N/A
Exploitation Mechanism
- Attackers can manipulate game names or titles within MediaWiki to inject malicious scripts into the RandomGameUnit extension, exploiting the stored XSS vulnerability.
Mitigation and Prevention
Protect your systems from potential exploits with these mitigation strategies.
Immediate Steps to Take
- Disable or remove the RandomGameUnit extension if not essential for operations.
- Implement input validation to sanitize user-generated content and prevent script injection.
Long-Term Security Practices
- Regularly update MediaWiki and its extensions to the latest secure versions.
- Conduct security audits to identify and address vulnerabilities proactively.
Patching and Updates
- Apply patches or updates provided by MediaWiki to address the XSS vulnerability in the RandomGameUnit extension.