CVE-2026-84764

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-02. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 4, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

Cross Site Request Forgery (CSRF) in WordPress Simply Schedule Appointments Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-23-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-84764(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 25× in last 7d / 65× 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. 2026-09-20 00:42 UTCEG score recompute
  2. 2026-09-20 00:42 UTCGHSA enrichment
  3. 2026-09-19 11:42 UTCGHSA enrichment
  4. 2026-09-18 22:39 UTCEG score recompute
  5. 2026-09-18 22:39 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 09:39 UTCGHSA enrichment
  8. 2026-09-17 20:38 UTCEG score recompute
  9. 2026-09-17 20:38 UTCGHSA enrichment
  10. 2026-09-17 19:32 UTCEPSS rescore
  11. 2026-09-17 03:56 UTCGHSA enrichment
  12. 2026-09-16 14:55 UTCEG score recompute
  13. 2026-09-16 14:55 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-16 01:54 UTCGHSA enrichment
  17. 2026-09-15 12:53 UTCEG score recompute
  18. 2026-09-15 12:53 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 23:52 UTCGHSA enrichment
  22. 2026-09-14 10:51 UTCGHSA enrichment
  23. 2026-09-13 21:51 UTCEG score recompute
  24. 2026-09-13 21:51 UTCGHSA enrichment
  25. 2026-09-13 08:50 UTCGHSA enrichment
Show 40 more
  1. 2026-09-12 19:49 UTCGHSA enrichment
  2. 2026-09-12 06:48 UTCGHSA enrichment
  3. 2026-09-11 17:48 UTCEG score recompute
  4. 2026-09-11 17:48 UTCGHSA enrichment
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 04:47 UTCGHSA enrichment
  8. 2026-09-10 15:46 UTCEG score recompute
  9. 2026-09-10 15:46 UTCGHSA enrichment
  10. 2026-09-10 02:45 UTCGHSA enrichment
  11. 2026-09-09 13:44 UTCGHSA enrichment
  12. 2026-09-09 00:44 UTCEG score recompute
  13. 2026-09-09 00:43 UTCGHSA enrichment
  14. 2026-09-08 22:01 UTCEPSS rescore
  15. 2026-09-08 11:43 UTCGHSA enrichment
  16. 2026-09-07 22:40 UTCEG score recompute
  17. 2026-09-07 22:40 UTCGHSA enrichment
  18. 2026-09-07 09:39 UTCGHSA enrichment
  19. 2026-09-06 20:34 UTCEG score recompute
  20. 2026-09-06 20:34 UTCGHSA enrichment
  21. 2026-09-06 13:48 UTCEPSS rescore
  22. 2026-09-06 07:33 UTCGHSA enrichment
  23. 2026-09-05 18:32 UTCEG score recompute
  24. 2026-09-05 18:32 UTCGHSA enrichment
  25. 2026-09-05 15:31 UTCEPSS rescore
  26. 2026-09-05 05:32 UTCGHSA enrichment
  27. 2026-09-04 16:31 UTCEG score recompute
  28. 2026-09-04 16:31 UTCGHSA enrichment
  29. 2026-09-04 05:07 UTCEPSS rescore
  30. 2026-09-04 03:23 UTCEG score recompute
  31. 2026-09-04 03:23 UTCGHSA enrichment
  32. 2026-09-04 02:45 UTCEG score recompute
  33. 2026-09-04 02:45 UTCGHSA enrichment
  34. 2026-09-03 16:18 UTCGHSA enrichment
  35. 2026-09-03 03:16 UTCGHSA enrichment
  36. 2026-09-02 14:11 UTCEG score recompute
  37. 2026-09-02 14:11 UTCGHSA enrichment
  38. 2026-09-02 12:25 UTCEG score recompute
  39. 2026-09-02 11:50 UTCEG score recompute
  40. 2026-09-02 11:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84764?
CVE-2026-84764 is a high vulnerability published on September 2, 2026. Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.
When was CVE-2026-84764 disclosed?
CVE-2026-84764 was first published in the National Vulnerability Database on September 2, 2026, with the most recent update on September 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84764 actively exploited?
CVE-2026-84764 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 96.0% of all scored CVEs.
What is the CVSS score of CVE-2026-84764?
CVE-2026-84764 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-84764?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84764, 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

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