CVE-2019-13506: Cross-Site Scripting in @nuxt/devalue
Summary
CVE-2019-13506: Cross-Site Scripting in @nuxt/devalue. Affects @nuxt/devalue versions < 1.2.3. Fixed in 1.2.3. How to fix ↓
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Background
The @nuxt/devalue package is an npm package used in web development with the Nuxt.js framework. It provides a utility for serializing and deserializing JavaScript objects. This package is vulnerable to a Cross-Site Scripting (XSS) attack due to insufficient input sanitization. Attackers can inject arbitrary JavaScript code through object keys, potentially leading to unauthorized access or manipulation of user data.
Vulnerability Detail
The vulnerability in @nuxt/devalue versions prior to 1.2.3 allows attackers to execute arbitrary JavaScript code on the client-side. This can be achieved by injecting malicious code through object keys. The lack of proper input sanitization makes it possible for an attacker to manipulate the application's behavior and potentially steal sensitive information or perform unauthorized actions on behalf of the user. The vulnerability has a CVSS score of 6.1, indicating a moderate severity level.
How To Fix
Latest published version: 2.0.2 as of 22 Oct 2026
npm install @nuxt/devalue@2.0.2Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.2.3
This is the first release that contains the fix.
npm install @nuxt/devalue@1.2.3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to update to the fixed version of the @nuxt/devalue package to mitigate the risk of XSS attacks.
Conclusion
The @nuxt/devalue package prior to version 1.2.3 is vulnerable to Cross-Site Scripting (XSS) attacks. It is crucial to upgrade to the fixed version to mitigate the risk of unauthorized access or manipulation of user data. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for @nuxt/devalue →
FAQ
@nuxt/devalue is an npm package used in web development with the Nuxt.js framework. It provides a utility for serializing and deserializing JavaScript objects.
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 unauthorized access, data theft, or manipulation of user data.
The vulnerability in @nuxt/devalue allows attackers to execute arbitrary JavaScript code on the client-side. This can lead to unauthorized access or manipulation of user data, potentially compromising the security and integrity of your application.
Yes, upgrading to version 1.2.3 or later of the @nuxt/devalue package fixes this vulnerability. It is recommended to update your dependencies to the latest version to ensure the security of your application.
You can use Vulert's playground at Vulert 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.
