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TI-2026-28472 Aliases CVE-2026-39498GHSA-h674-wp7j-pj7m

WordPress YayMail plugin <= 4.3.3 - PHP Object Injection vulnerability

Priority LOW 34CWE-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

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00359 29th 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
YeeaddonsYayMailup to 4.3.3—No fix listedCNA
  • YayMail VendorYeeaddons Affected up to 4.3.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39498
  2. 2026-10-03 Alias added: GHSA-h674-wp7j-pj7m

References

Other 1

Sources

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