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TI-2026-70141 Aliases CVE-2026-12626GHSA-88vv-2m3v-gh9q

PHP object injection in Bookly WordPress scheduling plugin

Priority LOW 33CWE-502Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The Online Scheduling and Appointment Booking System (Bookly) plugin for WordPress by ladela is affected in all versions up to and including 28.2. The plugin deserializes untrusted input from the 'value' parameter (CWE-502), so PHP object injection is possible. An authenticated attacker with custom-level access or above can inject a PHP object. No known gadget chain is available, and no public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 28.2 via deserialization of untrusted input via the ‘value’ parameter. This makes it possible for authenticated attackers, with custom-level access and above, to inject a PHP Object. No known gadget chain is available.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd 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
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
ladelaOnline Scheduling and Appointment Booking System – Booklyup to 28.2—No fix listedCNA
  • Online Scheduling and Appointment Booking System – Bookly Vendorladela Affected up to 28.2 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Online Scheduling and Appointment Booking System (Bookly).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-10 Threatist record created from CVE-2026-12626
  2. 2026-10-10 Alias added: GHSA-88vv-2m3v-gh9q
  3. 2026-10-11 Priority changed: MEDIUM → LOW
  4. 2026-10-11 CISA SSVC decision points changed

References

Other 2

  • TI-2026-62969 Authorization bypass in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1CRITICAL 9.1
  • TI-2026-60359 Authorization bypass in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.5
  • TI-2026-12256 Online Scheduling and Appointment Booking System <= 27.5 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
  • TI-2026-11363 Cross-site scripting in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.2
  • TI-2026-04830 Cross-site scripting in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.2
  • TI-2026-70266 Bookly WordPress plugin lets subscribers escalate privileges CVSS 3.1MEDIUM 6.8
See all 12 →

Sources

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