TrueBooker – Appointment Booking and Scheduler System <= 1.2.3 — Unauthenticated Privilege Escalation
CVE-2026-61951Published · Updated Action summary
Affected: ≤1.2.3Update to 1.2.4 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
TrueBooker – Appointment Booking and Scheduler System truebooker-appointment-booking
- Affected≤ 1.2.3
- Patched in1.2.4
Update to 1.2.4 or newer.
You are affected if you run ≤ 1.2.3. Version 1.2.4 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under TrueBooker – Appointment Booking and Scheduler System.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 1.2.4, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch TrueBooker – Appointment Booking and Scheduler System to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to yangsori.
The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.3. This makes it possible for unauthenticated attackers to elevate their privileges. CVE-2026-14545 is likely a duplicate of this.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in TrueBooker – Appointment Booking and Scheduler System
All 25| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | 1.2.9 - Unauthenticated Information Exposure 1.1.9 – 1.2.9Update to 1.3.0 | CVE-2026-94229 | |
| Medium5.3 | 1.2.9 - Missing Authorization 1.1.9 – 1.2.9Update to 1.3.0 | CVE-2026-94230 | |
| Medium5.3 | 1.2.9 - Missing Authorization 1.1.9 – 1.2.9Update to 1.3.0 | CVE-2026-94231 | |
| Medium5.3 | 1.2.9 - Missing Authorization 1.1.9 – 1.2.9Update to 1.3.0 | CVE-2026-94228 | |
| Medium5.3 | Missing Authorization to Unauthenticated Settings Update ≤1.2.9Update to 1.3.0 | CVE-2026-39798 |
- Medium5.31.2.9 - Unauthenticated Information Exposure
1.1.9 – 1.2.9Update to 1.3.0
- Medium5.31.2.9 - Missing Authorization
1.1.9 – 1.2.9Update to 1.3.0
- Medium5.31.2.9 - Missing Authorization
1.1.9 – 1.2.9Update to 1.3.0
- Medium5.31.2.9 - Missing Authorization
1.1.9 – 1.2.9Update to 1.3.0
- Medium5.3Missing Authorization to Unauthenticated Settings Update
≤1.2.9Update to 1.3.0
Timeline
CVE published
Severity critical, CVSS 9.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.