CVE-2025-63704

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-07. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

May 7, 2026

Last Modified

May 8, 2026

Advisory Details (2)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Prototype pollution in query_string_parser.js · Issue #3 · victorteokw/query-string-parser · GitHub

https://github.com/victorteokw/query-string-parser/issues/3
generic

Public disclosure for security issue in query-string-parser npm package through version 1.0.0 · GitHub

https://gist.github.com/6en6ar/d62f614dbb2b1032b5e45a56fe26ec8b

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
npmquery-string-parser—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
query-string-parser1.0.0——

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 340 total refreshes for this CVE.

  1. 2026-09-19 15:42 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
  4. 2026-09-16 14:07 UTCEPSS rescore
  5. 2026-09-15 03:10 UTCEPSS rescore
  6. 2026-09-13 16:46 UTCEPSS rescore
  7. 2026-09-12 15:00 UTCEPSS rescore
  8. 2026-09-11 14:52 UTCEPSS rescore
  9. 2026-09-11 09:36 UTCEPSS rescore
  10. 2026-09-10 09:34 UTCEPSS rescore
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-07 16:00 UTCEPSS rescore
  13. 2026-09-06 13:47 UTCEPSS rescore
  14. 2026-09-04 05:06 UTCEPSS rescore
  15. 2026-09-02 14:11 UTCEPSS rescore
  16. 2026-09-01 13:53 UTCEPSS rescore
  17. 2026-08-30 19:16 UTCEPSS rescore
  18. 2026-08-30 01:21 UTCEPSS rescore
  19. 2026-08-28 21:40 UTCEPSS rescore
  20. 2026-08-27 14:24 UTCEPSS rescore
  21. 2026-08-26 14:45 UTCEPSS rescore
  22. 2026-08-25 13:48 UTCEPSS rescore
  23. 2026-08-24 14:16 UTCEPSS rescore
  24. 2026-08-23 19:36 UTCEG score recompute
  25. 2026-08-23 19:36 UTCGHSA enrichment
Show 75 more
  1. 2026-08-23 00:18 UTCEPSS rescore
  2. 2026-08-21 23:48 UTCEPSS rescore
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-18 13:47 UTCEPSS rescore
  6. 2026-08-17 13:46 UTCEPSS rescore
  7. 2026-08-17 12:43 UTCEG score recompute
  8. 2026-08-17 12:43 UTCGHSA enrichment
  9. 2026-08-16 14:55 UTCEPSS rescore
  10. 2026-08-16 12:08 UTCGHSA enrichment
  11. 2026-08-16 08:26 UTCGHSA enrichment
  12. 2026-08-16 04:43 UTCEG score recompute
  13. 2026-08-16 04:43 UTCGHSA enrichment
  14. 2026-08-16 02:13 UTCEPSS rescore
  15. 2026-08-15 01:37 UTCEG score recompute
  16. 2026-08-15 01:37 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-15 01:29 UTCEPSS rescore
  19. 2026-08-14 21:54 UTCGHSA enrichment
  20. 2026-08-14 18:12 UTCGHSA enrichment
  21. 2026-08-14 14:29 UTCGHSA enrichment
  22. 2026-08-14 10:46 UTCGHSA enrichment
  23. 2026-08-14 07:03 UTCGHSA enrichment
  24. 2026-08-14 03:18 UTCEG score recompute
  25. 2026-08-14 03:18 UTCGHSA enrichment
  26. 2026-08-13 21:59 UTCEPSS rescore
  27. 2026-08-13 08:20 UTCGHSA enrichment
  28. 2026-08-13 04:00 UTCGHSA enrichment
  29. 2026-08-13 00:18 UTCGHSA enrichment
  30. 2026-08-12 20:35 UTCGHSA enrichment
  31. 2026-08-12 16:53 UTCEG score recompute
  32. 2026-08-12 16:53 UTCGHSA enrichment
  33. 2026-08-12 13:50 UTCEPSS rescore
  34. 2026-08-11 23:25 UTCGHSA enrichment
  35. 2026-08-11 19:42 UTCGHSA enrichment
  36. 2026-08-11 15:55 UTCEG score recompute
  37. 2026-08-11 15:55 UTCGHSA enrichment
  38. 2026-08-11 13:42 UTCEPSS rescore
  39. 2026-08-11 08:50 UTCGHSA enrichment
  40. 2026-08-11 05:07 UTCGHSA enrichment
  41. 2026-08-11 01:25 UTCEG score recompute
  42. 2026-08-11 01:25 UTCGHSA enrichment
  43. 2026-08-10 23:59 UTCEPSS rescore
  44. 2026-08-10 12:44 UTCGHSA enrichment
  45. 2026-08-10 08:45 UTCGHSA enrichment
  46. 2026-08-10 05:03 UTCGHSA enrichment
  47. 2026-08-10 01:20 UTCGHSA enrichment
  48. 2026-08-09 21:37 UTCGHSA enrichment
  49. 2026-08-09 17:55 UTCGHSA enrichment
  50. 2026-08-09 14:12 UTCEG score recompute
  51. 2026-08-09 14:12 UTCGHSA enrichment
  52. 2026-08-09 13:46 UTCEPSS rescore
  53. 2026-08-09 13:46 UTCEPSS rescore
  54. 2026-08-09 10:29 UTCGHSA enrichment
  55. 2026-08-09 06:11 UTCGHSA enrichment
  56. 2026-08-09 02:29 UTCEG score recompute
  57. 2026-08-09 02:29 UTCGHSA enrichment
  58. 2026-08-08 16:36 UTCEPSS rescore
  59. 2026-08-08 10:57 UTCGHSA enrichment
  60. 2026-08-08 07:13 UTCGHSA enrichment
  61. 2026-08-08 03:31 UTCGHSA enrichment
  62. 2026-08-07 23:48 UTCGHSA enrichment
  63. 2026-08-07 20:06 UTCEG score recompute
  64. 2026-08-07 20:06 UTCGHSA enrichment
  65. 2026-08-07 16:26 UTCEPSS rescore
  66. 2026-08-07 16:23 UTCGHSA enrichment
  67. 2026-08-07 12:41 UTCGHSA enrichment
  68. 2026-08-07 08:58 UTCGHSA enrichment
  69. 2026-08-07 01:48 UTCGHSA enrichment
  70. 2026-08-06 20:36 UTCGHSA enrichment
  71. 2026-08-06 16:53 UTCEG score recompute
  72. 2026-08-06 16:53 UTCGHSA enrichment
  73. 2026-08-06 13:46 UTCEPSS rescore
  74. 2026-08-06 13:04 UTCGHSA enrichment
  75. 2026-08-06 09:22 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2025-63704?
CVE-2025-63704 is a critical vulnerability published on May 7, 2026. 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.
When was CVE-2025-63704 disclosed?
CVE-2025-63704 was first published in the National Vulnerability Database on May 7, 2026, with the most recent update on May 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-63704 actively exploited?
CVE-2025-63704 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 59.7% of all scored CVEs.
What is the CVSS score of CVE-2025-63704?
CVE-2025-63704 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-63704?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-63704, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-63704

Explore →

Is Your Infrastructure Affected by CVE-2025-63704?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs