Multiple XSS Filter Bypasses in validator

Description

Versions of validator prior to 1.1.0 are affected by several cross-site scripting vulnerabilities due to bypasses discovered in the blacklist-based filter.

Recommendation

Update the validator package to the latest compatible version. Followings are version details:

• Affected version(s): < 1.1.0
• Patched version(s): 1.1.0

References

• GHSA-q4qq-fm7q-cwp5
• nealpoole.com
• www.npmjs.com
• blog.kotowicz.net
• www.openwall.com
• CVE-2013-7454
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• XSS Filter Bypass via Encoded URL in validator - CVE-2014-9772
• Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter - CVE-2025-26619
• Nuxt MDC has an XSS vulnerability in markdown rendering that bypasses HTML filtering - CVE-2025-54075
• Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode expressionInterpeter - vega - CVE-2025-26619

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Tags:

npm

validator