# Validator.js vulnerabilities

Source: https://junglewise.ai/threats/technologies/validator-js  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/validator-js.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Validator.js: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-12758, was published on 27 November 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (0 critical, 0 exploited in the wild)

## About Validator.js

JavaScript library for string validation and sanitization.

## Latest Validator.js vulnerabilities

- [CVE-2025-12758: validator.js improper length calculation in isLength function](https://junglewise.ai/threats/cve-2025-12758-validator-js-improper-length-calculation-in-islength-function) (high, CVSS 7.5, published 27 Nov 2025)
- [CVE-2025-56200: validatorjs validator.js URL validation bypass in isURL](https://junglewise.ai/threats/cve-2025-56200-validatorjs-validator-js-url-validation-bypass-in-isurl) (medium, CVSS 6.1, published 30 Sep 2025)
- [CVE-2021-3765: validator.js inefficient regular expression complexity](https://junglewise.ai/threats/cve-2021-3765-validator-js-inefficient-regular-expression-complexity) (low, CVSS 3, published 3 Nov 2021)
- [CVE-2014-8882: validator.js regular expression denial of service](https://junglewise.ai/threats/cve-2014-8882-validator-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 31 Aug 2020)
- [CVE-2013-7451: Node.js validator XSS filter bypass via nested tags](https://junglewise.ai/threats/cve-2013-7451-node-js-validator-xss-filter-bypass-via-nested-tags) (medium, CVSS 6.1, published 23 Jan 2017)

## Most severe Validator.js vulnerabilities

- [CVE-2025-12758: validator.js improper length calculation in isLength function](https://junglewise.ai/threats/cve-2025-12758-validator-js-improper-length-calculation-in-islength-function) (high, CVSS 7.5, published 27 Nov 2025)
- [CVE-2013-7451: Node.js validator XSS filter bypass via nested tags](https://junglewise.ai/threats/cve-2013-7451-node-js-validator-xss-filter-bypass-via-nested-tags) (medium, CVSS 6.1, published 23 Jan 2017)
- [CVE-2025-56200: validatorjs validator.js URL validation bypass in isURL](https://junglewise.ai/threats/cve-2025-56200-validatorjs-validator-js-url-validation-bypass-in-isurl) (medium, CVSS 6.1, published 30 Sep 2025)
- [CVE-2014-8882: validator.js regular expression denial of service](https://junglewise.ai/threats/cve-2014-8882-validator-js-regular-expression-denial-of-service) (low, CVSS 3.1, published 31 Aug 2020)
- [CVE-2021-3765: validator.js inefficient regular expression complexity](https://junglewise.ai/threats/cve-2021-3765-validator-js-inefficient-regular-expression-complexity) (low, CVSS 3, published 3 Nov 2021)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Validator.js vulnerabilities", https://junglewise.ai/threats/technologies/validator-js, 9 November 2026.