CVE-2026-66678

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-06. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Contributor Broken Access Control in Advanced Custom Fields: Font Awesome Field <= 6.1.1 versions.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 6, 2026
Patch available.
generic Patch Available

Broken Access Control in WordPress Advanced Custom Fields: Font Awesome Field Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/advanced-custom-fields-font-awesome/vulnerability/wordpress-advanced-custom-fields-font-awesome-field-plugin-6-1-1-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66678(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 18× in last 7d / 41× 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 04:44 UTCEG score recompute
  2. 2026-08-20 04:44 UTCGHSA enrichment
  3. 2026-08-19 17:04 UTCEPSS rescore
  4. 2026-08-19 06:47 UTCEG score recompute
  5. 2026-08-19 06:47 UTCGHSA enrichment
  6. 2026-08-18 13:48 UTCEPSS rescore
  7. 2026-08-18 08:41 UTCEG score recompute
  8. 2026-08-18 08:41 UTCGHSA enrichment
  9. 2026-08-17 13:47 UTCEPSS rescore
  10. 2026-08-17 10:45 UTCEG score recompute
  11. 2026-08-17 10:45 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 12:50 UTCEG score recompute
  14. 2026-08-16 12:50 UTCGHSA enrichment
  15. 2026-08-15 14:54 UTCEG score recompute
  16. 2026-08-15 14:54 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 16:57 UTCGHSA enrichment
  19. 2026-08-13 19:01 UTCGHSA enrichment
  20. 2026-08-12 21:05 UTCEG score recompute
  21. 2026-08-12 21:05 UTCGHSA enrichment
  22. 2026-08-12 13:51 UTCEPSS rescore
  23. 2026-08-12 09:57 UTCEG score recompute
  24. 2026-08-12 09:57 UTCGHSA enrichment
  25. 2026-08-11 12:01 UTCEG score recompute
Show 16 more
  1. 2026-08-11 12:01 UTCGHSA enrichment
  2. 2026-08-11 00:00 UTCEPSS rescore
  3. 2026-08-10 14:05 UTCGHSA enrichment
  4. 2026-08-09 16:09 UTCEG score recompute
  5. 2026-08-09 16:09 UTCGHSA enrichment
  6. 2026-08-09 13:47 UTCEPSS rescore
  7. 2026-08-08 18:14 UTCEG score recompute
  8. 2026-08-08 18:14 UTCGHSA enrichment
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-07 20:18 UTCEG score recompute
  11. 2026-08-07 20:18 UTCGHSA enrichment
  12. 2026-08-06 22:23 UTCEG score recompute
  13. 2026-08-06 22:23 UTCGHSA enrichment
  14. 2026-08-06 15:27 UTCEG score recompute
  15. 2026-08-06 14:42 UTCEG score recompute
  16. 2026-08-06 14:41 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66678?
CVE-2026-66678 is a medium vulnerability published on August 6, 2026. Contributor Broken Access Control in Advanced Custom Fields: Font Awesome Field <= 6.1.1 versions.
When was CVE-2026-66678 disclosed?
CVE-2026-66678 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-2026-66678 actively exploited?
CVE-2026-66678 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 90.2% of all scored CVEs.
What is the CVSS score of CVE-2026-66678?
CVE-2026-66678 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-66678?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66678, 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-2026-66678

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