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Sensitive data exposure in Amelia booking plugin for WordPress

Priority LOW 30CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

The Amelia plugin for WordPress (Booking for Appointments and Events Calendar) by melograno is affected in all versions through 2.4.12. The raw providers array is never stripped before output, which exposes data in the JSON response for the 'page' parameter (CWE-200). An unauthenticated remote attacker can read staff personal information, including full name, email address, phone number, gender and timezone, plus administrator-authored internal notes for every published event.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.4.12 via the 'page' parameter. This makes it possible for unauthenticated attackers to extract staff personally identifiable information — including full name, email address, phone number, gender, and timezone — as well as administrator-authored internal notes for every published event, all serialized into the JSON response because the raw providers array is never stripped before output.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
melogranoBooking for Appointments and Events Calendar – Ameliaup to 2.4.12—No fix listedCNA
  • Booking for Appointments and Events Calendar – Amelia Vendormelograno Affected up to 2.4.12 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Amelia (Booking for Appointments and Events Calendar).

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Timeline

  1. 2026-10-31 Threatist record created from CVE-2026-103915
  2. 2026-10-31 Alias added: GHSA-v33c-8q9v-p4jw
  3. 2026-11-03 CISA SSVC decision points changed

References

  • TI-2026-07957 Improper privilege management in melograno Booking for Appointments and Events Calendar… CVSS 3.1CRITICAL 9.8
  • TI-2026-81737 Arbitrary file upload in The Innovative Form Builder IvyForms plugin CVSS 3.1HIGH 8.8
  • TI-2026-05512 Cross-site scripting in melograno Booking for Appointments and Events Calendar – Amelia CVSS 3.1HIGH 7.2
  • TI-2026-86488 Missing authorization in Amelia plugin exposes event attendee data CVSS 3.1HIGH 7.5
  • TI-2026-13834 Booking for Appointments and Events Calendar - Amelia <= 2.4.5 - Missing Authorization to Unauthenticated Payment Bypass CVSS 3.1MEDIUM 5.3
  • TI-2026-86487 Missing authorization in Amelia plugin exposes booking records CVSS 3.1MEDIUM 6.5
See all 9 →

Sources