CVE-2020-7750 : What You Need to Know
Learn about CVE-2020-7750, a critical Cross-site Scripting (XSS) vulnerability in scratch-svg-renderer before 0.2.0-prerelease.20201019174008. Find mitigation steps and impact details here.
This CVE-2020-7750 article provides insights into a Cross-site Scripting (XSS) vulnerability affecting scratch-svg-renderer before version 0.2.0-prerelease.20201019174008.
Understanding CVE-2020-7750
This section delves into the details of the CVE-2020-7750 vulnerability.
What is CVE-2020-7750?
CVE-2020-7750 is a Cross-site Scripting (XSS) vulnerability in scratch-svg-renderer, allowing injection of arbitrary elements into the DOM.
The Impact of CVE-2020-7750
The vulnerability has a CVSS base score of 9.6, indicating a critical impact with high confidentiality, integrity, and availability impacts.
Technical Details of CVE-2020-7750
Exploring the technical aspects of CVE-2020-7750.
Vulnerability Description
The loadString function in scratch-svg-renderer fails to properly escape SVG, enabling malicious injection via _transformMeasurements.
Affected Systems and Versions
- Product: scratch-svg-renderer
- Vendor: Not applicable
- Versions affected: < 0.2.0-prerelease.20201019174008
Exploitation Mechanism
The vulnerability can be exploited over a network with low attack complexity, requiring user interaction but no privileges.
Mitigation and Prevention
Guidelines to mitigate and prevent CVE-2020-7750.
Immediate Steps to Take
- Update scratch-svg-renderer to version 0.2.0-prerelease.20201019174008 or later.
- Implement input validation to sanitize user inputs.
Long-Term Security Practices
- Regularly scan and patch software for vulnerabilities.
- Educate developers on secure coding practices.
Patching and Updates
Apply security patches promptly to address known vulnerabilities.