CVE-2019-14517: Cross-site Scripting in pandao editor.md
Summary
CVE-2019-14517: Cross-site Scripting in pandao editor.md. Affects editor.md versions 1.5.0. No fix is published. How to fix ↓
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Background
The pandao Editor.md is an npm package that provides a Markdown editor for web applications. It allows users to write and format content using Markdown syntax. The package is widely used in various web applications for its simplicity and ease of integration. However, version 1.5.0 of pandao Editor.md is vulnerable to a cross-site scripting (XSS) attack.
Vulnerability Detail
The vulnerability (CVE-2019-14517) in pandao Editor.md version 1.5.0 allows an attacker to execute arbitrary JavaScript code in the context of a user's browser. This can occur when an attacker injects a malicious JavaScript string, such as 'Javascript:', into the editor. When the user views the content, the injected code is executed, leading to potential unauthorized actions, data theft, or further exploitation of the user's session. The severity of this vulnerability is rated as MODERATE (CVSS score: 6.1). The Common Weakness Enumeration (CWE) ID associated with this vulnerability is CWE-79, which refers to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to a patched version is not immediately feasible, developers can implement input validation and output encoding to mitigate the risk of XSS attacks. All user-generated content should be properly sanitized and encoded before being displayed in the editor or any other part of the application's interface. This can be achieved using security libraries or frameworks that provide XSS protection mechanisms.
Conclusion
In conclusion, pandao Editor.md version 1.5.0 is vulnerable to a cross-site scripting (XSS) attack. Developers should upgrade to a patched version or implement input validation and output encoding to mitigate the risk. It is important to stay updated with security advisories and promptly address vulnerabilities to ensure the security of web applications. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The vulnerability allows an attacker to execute arbitrary JavaScript code in the user's browser, potentially leading to unauthorized actions, data theft, or further exploitation of the user's session.
While specific exploits may not be publicly available, the vulnerability is well-documented, and it is advisable to address it promptly to prevent potential attacks.
Yes, the maintainers of the package have released a fix in a subsequent version. It is recommended to upgrade to the latest version to mitigate the vulnerability.
There are several alternative Markdown editors available that have not been reported to be vulnerable to this specific issue. It is advisable to evaluate and choose a secure and actively maintained editor for your application.
You can use Vulert's playground (https://vulert.com/scanner) to check if your application is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the package-lock.json file without requiring access to the code or installation.
References
Related vulnerabilities
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