CVE-2026-42701 PUBLISHED

WordPress YayMail plugin <= 4.4.6 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 29.04.2026 Published: 29.10.2026 Updated: 29.10.2026

Shop manager PHP Object Injection in YayMail <= 4.4.6 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 YayCommerce
Product YayMail
Versions Default: unaffected
  • affected from n/a to 4.4.6 (incl.)

Solutions

Update the WordPress YayMail plugin to the latest available version (at least 4.4.7).

Credits

  • Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-502 Deserialization of Untrusted Data CWE

Impacts

  • CAPEC-586 Object Injection