CVE-2026-39498 PUBLISHED

WordPress YayMail plugin <= 4.3.3 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 15.06.2026 Updated: 16.06.2026

Shop manager PHP Object Injection in YayMail <= 4.3.3 versions.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.2

Product Status

Vendor Yeeaddons
Product YayMail
Versions Default: unaffected
  • affected from n/a to 4.3.3 (incl.)

Solutions

Update the WordPress YayMail Plugin to the latest available version (at least 4.3.4).

Credits

  • daroo | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection