Cross-Site Scripting Vulnerability in htmr
Summary
GHSA-f8rq-m28h-8hxj: Cross-Site Scripting in htmr. Affects htmr versions < 0.8.7. Fixed in 0.8.7. How to fix ↓
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Background
The htmr package is an npm package used for converting HTML strings into React components. It is commonly used in web development projects to render HTML content. However, versions prior to 0.8.7 of htmr are vulnerable to a Cross-Site Scripting (XSS) attack.
Vulnerability Detail
The vulnerability in htmr arises from the use of innerHTML to unescape HTML entities. This can allow an attacker to inject malicious JavaScript code into a victim's browser, leading to potential execution of arbitrary code. This type of attack is known as DOM-based XSS and can have severe consequences, including unauthorized access to sensitive information or the manipulation of user interactions on a website.
How To Fix
Minimum fixed version
0.8.7
This is the first release that contains the fix.
npm install htmr@0.8.7Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
The htmr package prior to version 0.8.7 is vulnerable to Cross-Site Scripting (XSS) attacks. It is crucial to upgrade to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for htmr →
FAQ
htmr is an npm package used for converting HTML strings into React components. It is commonly used in web development projects.
Cross-Site Scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. This can lead to the execution of arbitrary code in the victim's browser.
DOM-based XSS is a specific type of XSS attack that occurs when the vulnerability is in the client-side code rather than the server-side code. It involves the manipulation of the Document Object Model (DOM) of a web page to execute malicious scripts.
The consequences of this vulnerability can vary, but they may include unauthorized access to sensitive information, manipulation of user interactions on a website, or the spread of malware to other users.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply upload your package-lock.json file and the tool will provide real-time alerts for open-source vulnerabilities.
