CVE-2017-0365 : What You Need to Know
Learn about CVE-2017-0365, a cross-site scripting (XSS) vulnerability in Mediawiki versions before 1.28.1, 1.27.2, and 1.23.16, impacting the SearchHighlighter::highlightText() function.
A cross-site scripting (XSS) vulnerability exists in Mediawiki prior to versions 1.28.1, 1.27.2, and 1.23.16, specifically within the SearchHighlighter::highlightText() function when non-default configurations are used.
Understanding CVE-2017-0365
This CVE involves a XSS vulnerability in Mediawiki's SearchHighlighter::highlightText() function.
What is CVE-2017-0365?
CVE-2017-0365 is a cross-site scripting (XSS) vulnerability found in Mediawiki versions before 1.28.1, 1.27.2, and 1.23.16, affecting the SearchHighlighter::highlightText() function under certain non-default configurations.
The Impact of CVE-2017-0365
This vulnerability could allow attackers to execute malicious scripts in the context of an unsuspecting user's web browser, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2017-0365
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The XSS vulnerability in SearchHighlighter::highlightText() in Mediawiki versions prior to 1.28.1, 1.27.2, and 1.23.16 allows for script injection under specific configurations.
Affected Systems and Versions
- Product: Mediawiki
- Vendor: Mediawiki
- Versions Affected: n/a
Exploitation Mechanism
The vulnerability arises when non-default configurations are used in the SearchHighlighter::highlightText() function, enabling attackers to inject and execute malicious scripts.
Mitigation and Prevention
Protecting systems from CVE-2017-0365 is crucial to maintaining security.
Immediate Steps to Take
- Upgrade to Mediawiki versions 1.28.1, 1.27.2, or 1.23.16 to mitigate the vulnerability.
- Implement strict input validation to prevent script injection attacks.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Educate users and developers on secure coding practices to prevent XSS vulnerabilities.
Patching and Updates
- Apply security patches provided by Mediawiki to fix the XSS vulnerability in SearchHighlighter::highlightText().