CVE-2013-7453: XSS Bypass in validator
Summary
CVE-2013-7453: Moderate severity vulnerability that affects validator. Affects validator versions < 1.1.0. Fixed in 1.1.0. How to fix ↓
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Background
The validator is an npm package used in Node.js applications for input validation and sanitization. It provides various functions to validate and sanitize user input, preventing common security vulnerabilities such as cross-site scripting (XSS) attacks. However, versions before 1.1.0 of the validator module are vulnerable to an XSS bypass issue.
Vulnerability Detail
The vulnerability in the validator module allows remote attackers to bypass the XSS filter through UI redressing. This means that an attacker can manipulate the user interface of an application to inject malicious scripts, which can then be executed in the context of other users. This can lead to various security risks, including data theft, session hijacking, and unauthorized actions on behalf of the user.
How To Fix
Latest published version: 13.15.35 as of 23 Oct 2026
npm install validator@13.15.35Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.1.0
This is the first release that contains the fix.
npm install validator@1.1.0Tip — 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 the validator module to the fixed version to mitigate the risk of XSS attacks.
Conclusion
The XSS bypass vulnerability in the validator module poses a moderate security risk to Node.js applications. It is crucial to update the validator module to version 1.1.0 or later to mitigate the risk of XSS attacks. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for validator →
FAQ
The vulnerability allows attackers to bypass the XSS filter and inject malicious scripts, which can lead to various security risks, including data theft and unauthorized actions on behalf of the user.
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 without requiring access to the code or installation.
There are no known public exploits for this vulnerability at the moment. However, it is crucial to update the validator module to the fixed version to prevent potential attacks.
Yes, the CVSS score for this vulnerability is 6.1, indicating a moderate severity level.
You can find more information about this vulnerability in the GitHub Advisory Database at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2017/10/GHSA-552w-rqg8-gxxm/GHSA-552w-rqg8-gxxm.json
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