CVE-2026-11887

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new bookings.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Salon Booking System < 10.30.20 – Subscriber+ Booking Approval Bypass | CVE 2026-11887 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/ed203765-0482-4d55-b36f-cdab11ed3cf0/

Vendor Advisories for CVE-2026-11887(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 8× in last 7d / 48× 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 143 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11887?
CVE-2026-11887 is a medium vulnerability published on July 1, 2026. The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new…
When was CVE-2026-11887 disclosed?
CVE-2026-11887 was first published in the National Vulnerability Database on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11887 actively exploited?
CVE-2026-11887 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 79.2% of all scored CVEs.
What is the CVSS score of CVE-2026-11887?
CVE-2026-11887 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11887?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11887, 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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