Reflected Cross-Site Scripting in jquery.terminal
Summary
GHSA-2hwp-g4g7-mwwj: Reflected Cross-Site Scripting in jquery.terminal. Affects jquery.terminal versions < 1.21.0. Fixed in 1.21.0. How to fix ↓
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Background
jquery.terminal is an npm package that provides a terminal emulator for web applications. It allows developers to create interactive command-line interfaces within their web pages. The package is widely used and offers various options for customization and functionality. However, versions prior to 1.21.0 are vulnerable to Reflected Cross-Site Scripting (XSS) attacks.
Vulnerability Detail
The vulnerability in jquery.terminal arises when the application has either the 'anyLinks' or 'invokeMethods' options set to true. In such cases, the package fails to properly sanitize user input, allowing crafted malicious payloads to execute arbitrary JavaScript code. This can lead to various security issues, including the theft of sensitive information, session hijacking, or the injection of malicious content into the web page.
How To Fix
Minimum fixed version
1.21.0
This is the first release that contains the fix.
npm install jquery.terminal@1.21.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround is to set both the 'anyLinks' and 'invokeMethods' options to false. This will disable the vulnerable functionality and mitigate the risk of XSS attacks. However, it is still strongly advised to upgrade to the latest version as soon as possible.
Conclusion
Reflected Cross-Site Scripting (XSS) vulnerability in jquery.terminal versions prior to 1.21.0 can allow attackers to execute arbitrary JavaScript code through crafted malicious payloads. To mitigate this vulnerability, it is recommended to upgrade to version 1.21.0 or later. If immediate upgrading is not possible, setting the 'anyLinks' and 'invokeMethods' options to false can provide temporary mitigation. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
Reflected Cross-Site Scripting (XSS) is a type of security vulnerability where an attacker injects malicious scripts into a web application, which are then executed by unsuspecting users. The scripts are typically embedded in URLs or other input fields and can lead to various attacks, such as stealing sensitive information or performing actions on behalf of the user.
The vulnerability in jquery.terminal occurs when the 'anyLinks' or 'invokeMethods' options are set to true. This allows user input to be executed as JavaScript code without proper sanitization, enabling attackers to inject and execute malicious scripts.
The potential consequences of this vulnerability include the theft of sensitive information, session hijacking, and the injection of malicious content into web pages. Attackers can exploit the vulnerability to execute arbitrary JavaScript code, potentially compromising the security and integrity of the affected application.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability. Vulert analyzes your package-lock.json file and provides real-time alerts for open-source vulnerabilities, including this one in jquery.terminal.
Yes, if upgrading to the latest version of jquery.terminal is not immediately feasible, you can set both the 'anyLinks' and 'invokeMethods' options to false. This will disable the vulnerable functionality and reduce the risk of XSS attacks. However, it is still recommended to upgrade to the latest version as soon as possible.
References
Related vulnerabilities
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