CVE-2025-63704

CRITICAL
INFO Priority: 0.05 BB Relevance: 80/100
Published: 2026-05-07 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

NPM package query-parser-string 1.0.0 is vulnerable to Prototype Pollution. The package does not properly sanitize user supplied query parameters and merges them to the newly created object.

Weakness Classification (1)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.48%
Raw Score 0.004760
Percentile 41.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00476
2026-11-13
0.00476
2026-11-12
0.00476
2026-11-10
0.00476
2026-11-09
0.00476
2026-11-08
0.00476
2026-11-07
0.00476
2026-11-06
0.00476
2026-11-05
0.00476
2026-11-04
0.00476

Intelligence Sources

nvd ref →