What’s Vulnerable › Vulnerabilities

CVE-2025-59364

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-14 · updated 2026-06-17
• Weakness: CWE-674

Description

The express-xss-sanitizer (aka Express XSS Sanitizer) package through 2.0.0 for Node.js has an unbounded recursion depth in sanitize in lib/sanitize.js for a JSON request body.

Affected products

• express-xss-sanitizer: 2.0.0

References

• https://gist.github.com/Spendroslav/177804eaef5acfb222a550de212a1b94
• https://github.com/AhmedAdelFahim/express-xss-sanitizer
• https://www.npmjs.com/package/express-xss-sanitizer

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