CVE-2026-39493

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreHIGH confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-15. the CNA's CVSS baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:patchstack, epss, ghsa
Trending — 3 sources updated this week
9.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.3Exploit: NoneExposed: 0

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

Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.

CVSS v3
9.3
EG Score
9.3(high)
EPSS
28.4%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 21, 2026
No patch confirmed yet.
generic

SQL Injection in WordPress Simply Schedule Appointments Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability-2?_s_id=cve

Vendor Advisories for CVE-2026-39493(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 74× in last 7d / 246× 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 246 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-39493?
CVE-2026-39493 is a critical vulnerability published on June 15, 2026. Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.
When was CVE-2026-39493 disclosed?
CVE-2026-39493 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-39493 actively exploited?
CVE-2026-39493 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-39493?
CVE-2026-39493 has a CVSS v4.0 base score of 9.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-39493?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-39493, 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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