CVE-2025-12758 (High) detected in validator-13.15.20.tgz

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CVE-2025-12758 - High Severity Vulnerability

Vulnerable Library - validator-13.15.20.tgz

String validation and sanitization

Library home page: https://registry.npmjs.org/validator/-/validator-13.15.20.tgz

Path to dependency file: /package.json

Path to vulnerable library: /package.json

Dependency Hierarchy:

• ❌ validator-13.15.20.tgz (Vulnerable Library)

Found in base branch: csl

Vulnerability Details

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.

Publish Date: 2025-11-27

URL: CVE-2025-12758

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2025-11-27

Fix Resolution: 13.15.22

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⛑️ Automatic Remediation will be attempted for this issue.