CVE-2026-9576

MEDIUMPre-NVD 4.94.9—
EchelonGraph scoreMEDIUM confidence

Score 4.9 from GitHub Security Advisory published 2026-06-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.9Exploit: None knownExposed: 0

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

The Fluent Booking WordPress plugin before 2.1.2 does not verify ownership of the requested group_id before exporting attendee data via the export endpoint, allowing users with at least the Calendar Manager role to retrieve attendees' PII (name, email, phone, address, payment information) from calendar groups they do not own.

CVSS v3
4.9
EG Score
4.9(medium)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity49% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

June 30, 2026

Last Modified

June 30, 2026

Advisory Details (1)

Auto-updated Jun 30, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Fluent Booking < 2.1.2 – Calendar Manager+ Sensitive Information Disclosure via Attendee Export | CVE 2026-9576 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/f28759e0-f15e-4014-b0d1-8b58bf412b49/

Vendor Advisories for CVE-2026-9576(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 / 54× 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 148 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9576?
CVE-2026-9576 is a medium vulnerability published on June 30, 2026. The Fluent Booking WordPress plugin before 2.1.2 does not verify ownership of the requested group_id before exporting attendee data via the export endpoint, allowing users with at least the Calendar Manager role to retrieve attendees' PII (name, email, phone, address, payment information) from…
When was CVE-2026-9576 disclosed?
CVE-2026-9576 was first published in the National Vulnerability Database on June 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9576 actively exploited?
CVE-2026-9576 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 66.8% of all scored CVEs.
What is the CVSS score of CVE-2026-9576?
CVE-2026-9576 has a CVSS v3.1 base score of 4.9 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-9576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9576, 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-2026-9576

Explore →

Is Your Infrastructure Affected by CVE-2026-9576?

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

Start Free Scan →Browse All CVEs