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TI-2026-15380 Aliases CVE-2026-18776GHSA-ww49-2fhh-98x8

TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX Actions

Priority MEDIUM 49CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

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 change the email address of arbitrary users, including administrators, and subsequently take over their account via the password reset flow.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00498 42nd 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
Total

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-2026-15383 Missing authorization in TrueBookerPriority LOW 30
    • TI-2026-15382 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multiple AJAX ActionsPriority 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-2026-18776
  2. 2026-10-03 Alias added: GHSA-ww49-2fhh-98x8

References

Exploit 1

Sources

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