CVE-2026-39493

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM 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
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 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(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Sep 15, 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 10× in last 7d / 56× 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 407 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 70.2% of all scored CVEs.
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.

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