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TI-2024-06599 Aliases CVE-2024-7129GHSA-m8mp-83qq-7j4f

Appointment Booking Calendar < 1.6.7.43 - Admin+ Template Injection to RCE

Priority HIGH 67Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The Appointment Booking Calendar WordPress plugin before 1.6.7.43 does not escape template syntax provided via user input, leading to Twig Template Injection which further exploited can result to remote code Execution by high privilege such as admins

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01138 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin (Unknown): 1.6.7.43

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
UnknownAppointment Booking Calendar — Simply Schedule Appointments Booking Pluginbefore 1.6.7.431.6.7.43Patch availableCNA
  • Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin VendorUnknown Affected before 1.6.7.43 Fixed in 1.6.7.43 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nsqua:simply_schedule_appointments:*:*:*:*:*:wordpress:*:*before 1.6.7.43VulnerableNsqua
  • cpe:2.3:a:nsqua:simply_schedule_appointments:*:*:*:*:*:wordpress:*:* Versions before 1.6.7.43 Vulnerable ·Nsqua

Remediation

  • Fix · CNA Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin (Unknown) Fixed in 1.6.7.43

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-7129
  2. 2026-10-03 Alias added: GHSA-m8mp-83qq-7j4f

References

Exploit 1

  • TI-2024-07301 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2024-07300 Appointment Booking Calendar < 1.6.7.55 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2023-27756 WordPress Simply Schedule Appointments Plugin < 1.6.6.1 is vulnerable to SQL Injection CVSS 3.1HIGH 7.6
  • TI-2022-02189 Simply Schedule Appointments < 1.5.7.7 - Unauthenticated Email Address Disclosure CVSS 3.1MEDIUM 5.3
  • TI-2022-02190 Simply Schedule Appointments < 1.5.7.7 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8

Sources

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