CVE-2026-66425

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-08-06. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Unauthenticated Broken Authentication in Gutena Forms – Contact Form, Survey Form, Feedback Form, Booking Form, and Custom Form Builder <= 1.9.0 versions.

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 6, 2026
No patch confirmed yet.
generic

Broken Authentication in WordPress Gutena Forms – Contact Form, Survey Form, Feedback Form, Booking Form, and Custom Form Builder Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/gutena-forms/vulnerability/wordpress-gutena-forms-contact-form-survey-form-feedback-form-booking-form-and-custom-form-builder-plugin-1-9-0-broken-authentication-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66425(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 43× 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.

  1. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 09:45 UTCEG score recompute
  3. 2026-08-20 09:45 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 07:56 UTCEG score recompute
  6. 2026-08-19 07:56 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 06:08 UTCEG score recompute
  9. 2026-08-18 06:08 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 04:18 UTCEG score recompute
  12. 2026-08-17 04:18 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 02:29 UTCEG score recompute
  15. 2026-08-16 02:29 UTCGHSA enrichment
  16. 2026-08-15 01:30 UTCEPSS rescore
  17. 2026-08-15 00:41 UTCGHSA enrichment
  18. 2026-08-13 22:53 UTCEG score recompute
  19. 2026-08-13 22:53 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-12 21:05 UTCEG score recompute
  22. 2026-08-12 21:05 UTCGHSA enrichment
  23. 2026-08-12 13:51 UTCEPSS rescore
  24. 2026-08-12 09:33 UTCEG score recompute
  25. 2026-08-12 09:33 UTCGHSA enrichment
Show 18 more
  1. 2026-08-11 07:44 UTCEG score recompute
  2. 2026-08-11 07:44 UTCGHSA enrichment
  3. 2026-08-11 00:00 UTCEPSS rescore
  4. 2026-08-10 05:56 UTCEG score recompute
  5. 2026-08-10 05:56 UTCGHSA enrichment
  6. 2026-08-09 13:47 UTCEPSS rescore
  7. 2026-08-09 04:08 UTCEG score recompute
  8. 2026-08-09 04:08 UTCGHSA enrichment
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-08 02:20 UTCEG score recompute
  11. 2026-08-08 02:20 UTCGHSA enrichment
  12. 2026-08-08 02:12 UTCEG score recompute
  13. 2026-08-08 02:12 UTCGHSA enrichment
  14. 2026-08-07 17:15 UTCEG score recompute
  15. 2026-08-07 17:15 UTCGHSA enrichment
  16. 2026-08-06 15:27 UTCEG score recompute
  17. 2026-08-06 14:42 UTCEG score recompute
  18. 2026-08-06 14:41 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66425?
CVE-2026-66425 is a medium vulnerability published on August 6, 2026. Unauthenticated Broken Authentication in Gutena Forms – Contact Form, Survey Form, Feedback Form, Booking Form, and Custom Form Builder <= 1.9.0 versions.
When was CVE-2026-66425 disclosed?
CVE-2026-66425 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66425 actively exploited?
CVE-2026-66425 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 77.8% of all scored CVEs.
What is the CVSS score of CVE-2026-66425?
CVE-2026-66425 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-66425?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66425, 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

Explore the affected products and dependency analysis for CVE-2026-66425

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