CVE-2026-73395

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-08-18. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Unauthenticated Insecure Direct Object References (IDOR) in Booking calendar, Appointment Booking System <= 3.2.36 versions.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 20, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
Patch available.
generic Patch Available

Insecure Direct Object References (IDOR) in WordPress Booking calendar, Appointment Booking System Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/booking-calendar/vulnerability/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-36-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-73395(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 19× in last 7d / 78× 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. 2026-09-21 06:05 UTCEG score recompute
  2. 2026-09-21 06:05 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 04:11 UTCEG score recompute
  5. 2026-09-20 04:11 UTCGHSA enrichment
  6. 2026-09-19 02:19 UTCEG score recompute
  7. 2026-09-19 02:18 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 00:15 UTCEG score recompute
  10. 2026-09-18 00:15 UTCGHSA enrichment
  11. 2026-09-16 21:57 UTCEG score recompute
  12. 2026-09-16 21:57 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 14:46 UTCEG score recompute
  16. 2026-09-15 14:46 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 12:53 UTCEG score recompute
  19. 2026-09-14 12:53 UTCGHSA enrichment
  20. 2026-09-13 11:00 UTCEG score recompute
  21. 2026-09-13 11:00 UTCGHSA enrichment
  22. 2026-09-12 15:02 UTCEPSS rescore
  23. 2026-09-12 09:07 UTCEG score recompute
  24. 2026-09-12 09:07 UTCGHSA enrichment
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 65 more
  1. 2026-09-11 07:14 UTCEG score recompute
  2. 2026-09-11 07:14 UTCGHSA enrichment
  3. 2026-09-10 09:35 UTCEPSS rescore
  4. 2026-09-10 05:21 UTCGHSA enrichment
  5. 2026-09-09 03:27 UTCEG score recompute
  6. 2026-09-09 03:27 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-07 21:35 UTCEG score recompute
  9. 2026-09-07 21:35 UTCGHSA enrichment
  10. 2026-09-06 19:43 UTCEG score recompute
  11. 2026-09-06 19:43 UTCGHSA enrichment
  12. 2026-09-06 13:48 UTCEPSS rescore
  13. 2026-09-05 17:45 UTCEG score recompute
  14. 2026-09-05 17:45 UTCGHSA enrichment
  15. 2026-09-04 15:43 UTCEG score recompute
  16. 2026-09-04 15:43 UTCGHSA enrichment
  17. 2026-09-04 05:07 UTCEPSS rescore
  18. 2026-09-03 13:51 UTCEG score recompute
  19. 2026-09-03 13:51 UTCGHSA enrichment
  20. 2026-09-02 14:12 UTCEPSS rescore
  21. 2026-09-02 11:50 UTCEG score recompute
  22. 2026-09-02 11:49 UTCGHSA enrichment
  23. 2026-09-01 13:54 UTCEPSS rescore
  24. 2026-09-01 09:40 UTCEG score recompute
  25. 2026-09-01 09:40 UTCGHSA enrichment
  26. 2026-09-01 04:40 UTCEPSS rescore
  27. 2026-09-01 04:40 UTCEPSS rescore
  28. 2026-08-31 07:45 UTCEG score recompute
  29. 2026-08-31 07:45 UTCGHSA enrichment
  30. 2026-08-30 19:18 UTCEPSS rescore
  31. 2026-08-30 19:17 UTCEPSS rescore
  32. 2026-08-30 05:53 UTCEG score recompute
  33. 2026-08-30 05:53 UTCGHSA enrichment
  34. 2026-08-30 01:22 UTCEPSS rescore
  35. 2026-08-29 03:59 UTCEG score recompute
  36. 2026-08-29 03:59 UTCGHSA enrichment
  37. 2026-08-28 21:42 UTCEPSS rescore
  38. 2026-08-28 02:00 UTCEG score recompute
  39. 2026-08-28 02:00 UTCGHSA enrichment
  40. 2026-08-27 14:25 UTCEPSS rescore
  41. 2026-08-27 00:08 UTCEG score recompute
  42. 2026-08-27 00:08 UTCGHSA enrichment
  43. 2026-08-26 14:47 UTCEPSS rescore
  44. 2026-08-25 22:15 UTCEG score recompute
  45. 2026-08-25 22:15 UTCGHSA enrichment
  46. 2026-08-25 13:49 UTCEPSS rescore
  47. 2026-08-24 20:22 UTCEG score recompute
  48. 2026-08-24 20:22 UTCGHSA enrichment
  49. 2026-08-23 18:30 UTCEG score recompute
  50. 2026-08-23 18:30 UTCGHSA enrichment
  51. 2026-08-23 00:19 UTCEPSS rescore
  52. 2026-08-22 16:38 UTCEG score recompute
  53. 2026-08-22 16:38 UTCGHSA enrichment
  54. 2026-08-21 23:49 UTCEPSS rescore
  55. 2026-08-21 14:45 UTCEG score recompute
  56. 2026-08-21 14:45 UTCGHSA enrichment
  57. 2026-08-20 22:56 UTCEPSS rescore
  58. 2026-08-20 12:52 UTCGHSA enrichment
  59. 2026-08-19 18:15 UTCEG score recompute
  60. 2026-08-19 18:15 UTCGHSA enrichment
  61. 2026-08-19 17:04 UTCEPSS rescore
  62. 2026-08-18 15:20 UTCEG score recompute
  63. 2026-08-18 14:50 UTCEG score recompute
  64. 2026-08-18 14:24 UTCEG score recompute
  65. 2026-08-18 14:20 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73395?
CVE-2026-73395 is a medium vulnerability published on August 18, 2026. Unauthenticated Insecure Direct Object References (IDOR) in Booking calendar, Appointment Booking System <= 3.2.36 versions.
When was CVE-2026-73395 disclosed?
CVE-2026-73395 was first published in the National Vulnerability Database on August 18, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73395 actively exploited?
CVE-2026-73395 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 75.0% of all scored CVEs.
What is the CVSS score of CVE-2026-73395?
CVE-2026-73395 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-73395?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73395, 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-2026-73395

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