VulnerableCode Package Details - pkg:npm/validator@3.23.0

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Vulnerability	Summary	Fixed by
VCID-4zv9-cpgr-nyep Aliases: CVE-2025-56200 GHSA-9965-vmph-33xx	validator.js has a URL validation bypass vulnerability in its isURL function A URL validation bypass vulnerability exists in validator.js prior to version 13.15.20. The isURL() function uses '://' as a delimiter to parse protocols, while browsers use ':' as the delimiter. This parsing difference allows attackers to bypass protocol and domain validation by crafting URLs leading to XSS and Open Redirect attacks.	13.15.20 Affected by 1 other vulnerability. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }}
VCID-5y3j-q5mp-p3cf Aliases: CVE-2021-3765 GHSA-qgmg-gppg-76g5	validator.js is vulnerable to Inefficient Regular Expression Complexity	13.7.0 Affected by 2 other vulnerabilities. This version is affected by these other vulnerabilities: {{ fixed_by_vuln.vulnerability_id }} {{ fixed_by_vuln.vulnerability_id }}
VCID-hr9j-sp88-yqcp Aliases: CVE-2025-12758 GHSA-vghf-hv5q-vc2g	Validator is Vulnerable to Incomplete Filtering of One or More Instances of Special Elements Versions of the package validator before 13.15.22 are vulnerable to Incomplete Filtering of One or More Instances of Special Elements in the isLength() function that does not take into account Unicode variation selectors (\uFE0F, \uFE0E) appearing in a sequence which lead to improper string length calculation. This can lead to an application using isLength for input validation accepting strings significantly longer than intended, resulting in issues like data truncation in databases, buffer overflows in other system components, or denial-of-service.	13.15.22 Affected by 0 other vulnerabilities.

Vulnerability

Summary

Fixed by

VCID-4zv9-cpgr-nyep
Aliases:
CVE-2025-56200
GHSA-9965-vmph-33xx

validator.js has a URL validation bypass vulnerability in its isURL function A URL validation bypass vulnerability exists in validator.js prior to version 13.15.20. The isURL() function uses '://' as a delimiter to parse protocols, while browsers use ':' as the delimiter. This parsing difference allows attackers to bypass protocol and domain validation by crafting URLs leading to XSS and Open Redirect attacks.

13.15.20
Affected by 1 other vulnerability.

VCID-5y3j-q5mp-p3cf
Aliases:
CVE-2021-3765
GHSA-qgmg-gppg-76g5

validator.js is vulnerable to Inefficient Regular Expression Complexity

13.7.0
Affected by 2 other vulnerabilities.

VCID-hr9j-sp88-yqcp
Aliases:
CVE-2025-12758
GHSA-vghf-hv5q-vc2g

Validator is Vulnerable to Incomplete Filtering of One or More Instances of Special Elements Versions of the package validator before 13.15.22 are vulnerable to Incomplete Filtering of One or More Instances of Special Elements in the isLength() function that does not take into account Unicode variation selectors (\uFE0F, \uFE0E) appearing in a sequence which lead to improper string length calculation. This can lead to an application using isLength for input validation accepting strings significantly longer than intended, resulting in issues like data truncation in databases, buffer overflows in other system components, or denial-of-service.

13.15.22
Affected by 0 other vulnerabilities.

Vulnerability	Summary	Aliases
This package is not known to fix vulnerabilities.

Vulnerability

Summary

Aliases

This package is not known to fix vulnerabilities.

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-06-06T06:27:25.880062+00:00	GitLab Importer	Affected by	VCID-hr9j-sp88-yqcp	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/validator/CVE-2025-12758.yml	38.6.0
2026-06-06T06:12:11.023030+00:00	GitLab Importer	Affected by	VCID-4zv9-cpgr-nyep	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/validator/CVE-2025-56200.yml	38.6.0
2026-06-06T01:04:38.930225+00:00	GitLab Importer	Affected by	VCID-5y3j-q5mp-p3cf	https://gitlab.com/gitlab-org/advisories-community/-/blob/main/npm/validator/CVE-2021-3765.yml	38.6.0