CVE-2026-81278 — MEDIUM (5.4)

Vulnerability Description

Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Post SMTP: from 4.0.0 through beta.1.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-862

References

https://patchstack.com/database/wordpress/plugin/post-smtp/vulnerability/wordpre

FAQ

What is CVE-2026-81278?

CVE-2026-81278 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Post SMTP: from 4.0.0 through beta.1.

How severe is CVE-2026-81278?

CVE-2026-81278 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-81278?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.