CVE-2026-78265 PUBLISHED

WordPress The Events Calendar plugin <= 6.17.2 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 24.08.2026 Published: 24.08.2026 Updated: 25.08.2026

Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Product Status

Vendor Nexcess
Product The Events Calendar
Versions Default: unaffected
  • affected from n/a to 6.17.2 (incl.)

Solutions

Update the WordPress The Events Calendar Plugin to the latest available version (at least 6.17.3).

Credits

  • Udin Chan | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection