CVE-2026-65508

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreHIGH confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-06. a secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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 <= 1.6.12.10 versions.

CVSS v3
9.3
EG Score
9.3(high)
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
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

SQL Injection in WordPress Simply Schedule Appointments Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-10-sql-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-65508(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 55× in last 7d / 117× 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 117 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-65508?
CVE-2026-65508 is a critical vulnerability published on August 6, 2026. Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
When was CVE-2026-65508 disclosed?
CVE-2026-65508 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-2026-65508 actively exploited?
CVE-2026-65508 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 78.2% of all scored CVEs.
What is the CVSS score of CVE-2026-65508?
CVE-2026-65508 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-65508?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-65508, 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-2026-65508

Explore →

Is Your Infrastructure Affected by CVE-2026-65508?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs