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TI-2026-15382 Aliases CVE-2026-18778GHSA-gppp-m845-93gc

TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multiple AJAX Actions

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
Fixed

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

Summary

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed TrueBooker (Unknown): 1.2.7

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
UnknownTrueBookerbefore 1.2.71.2.7Patch availableCNA
  • TrueBooker VendorUnknown Affected before 1.2.7 Fixed in 1.2.7 Patch available CNA

Remediation

  • Fix · CNA TrueBooker (Unknown) Fixed in 1.2.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    TrueBooker 1.2.7

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-15380 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX ActionsPriority MEDIUM 49
    • TI-2026-15383 Missing authorization in TrueBookerPriority LOW 30
    • TI-2026-15381 Missing authorization in TrueBookerPriority LOW 30
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18778
  2. 2026-10-03 Alias added: GHSA-gppp-m845-93gc

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences