CVE-2019-19329 : Exploit Details and Defense Strategies
Learn about CVE-2019-19329, a security flaw in Wikibase Wikidata Query Service GUI allowing arbitrary JavaScript execution, leading to cross-site scripting. Find mitigation steps and preventive measures here.
In the Wikibase Wikidata Query Service GUI version before 0.3.6-SNAPSHOT 2019-11-07, a security issue allowed arbitrary JavaScript execution, leading to cross-site scripting (XSS) when displaying mathematical expressions in the results. MathJax was introduced to mitigate this issue.
Understanding CVE-2019-19329
This CVE relates to a security vulnerability in the Wikibase Wikidata Query Service GUI.
What is CVE-2019-19329?
CVE-2019-19329 is a vulnerability in the Wikibase Wikidata Query Service GUI that could result in cross-site scripting due to arbitrary JavaScript execution when showing mathematical expressions in the results.
The Impact of CVE-2019-19329
The vulnerability could allow malicious actors to execute arbitrary JavaScript, potentially leading to cross-site scripting attacks.
Technical Details of CVE-2019-19329
This section provides more technical insights into the CVE.
Vulnerability Description
The security issue in the Wikibase Wikidata Query Service GUI allowed for arbitrary JavaScript execution, enabling cross-site scripting attacks when displaying mathematical expressions in the results.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Before 0.3.6-SNAPSHOT 2019-11-07
Exploitation Mechanism
The vulnerability could be exploited by injecting malicious JavaScript code into the mathematical expressions displayed in the results, leading to XSS attacks.
Mitigation and Prevention
Protective measures and actions to address CVE-2019-19329.
Immediate Steps to Take
- Update to version 0.3.6-SNAPSHOT 2019-11-07 or later that includes MathJax as the new rendering engine for mathematics.
- Avoid displaying mathematical expressions directly in the results to prevent arbitrary JavaScript execution.
Long-Term Security Practices
- Regularly monitor and update software components to address security vulnerabilities promptly.
- Implement secure coding practices to prevent XSS and other injection attacks.
Patching and Updates
Ensure that the GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots to prevent exposure to this vulnerability.