CVE-2025-59364

MEDIUM

express-xss-sanitizer < 2.0.1 - Denial of Service via Unbounded Recursion in JSON Request Body Sanitization

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.0042
EPSS Percentile 33.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-674
Status published
Products (2)
Express XSS Sanitizer project/Express XSS Sanitizer 2.0.0
npm/express-xss-sanitizer 0 - 2.0.1npm
Published Sep 14, 2025
Tracked Since Feb 18, 2026