CVE-2026-9576

MEDIUMPre-NVD 4.94.9—
EchelonGraph scoreHIGH 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 — 4 sources updated this week
4.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.9Exploit: NoneExposed: 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(high)
EPSS
14.3%
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 16× in last 7d / 16× 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 15:14 UTCEG score recompute
  3. 2026-07-06 15:13 UTCGHSA enrichment
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 14:07 UTCEG score recompute
  6. 2026-07-05 14:07 UTCGHSA enrichment
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-04 13:03 UTCEG score recompute
  9. 2026-07-04 13:03 UTCGHSA enrichment
  10. 2026-07-03 12:00 UTCEG score recompute▲ 4.90
  11. 2026-07-03 12:00 UTCGHSA enrichment
  12. 2026-07-01 15:07 UTCEPSS rescore
  13. 2026-06-30 23:22 UTCEPSS rescore
  14. 2026-06-30 14:32 UTCNVD updateCVSS v3 → 4.9 · severity → MEDIUM
  15. 2026-06-30 08:33 UTCEG score recompute
  16. 2026-06-30 08:31 UTCNVD updatefirst tracked

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 14.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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

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