CVE-2026-78146 — MEDIUM (6.5)

Vulnerability Description

The Simple Newsletter Plugin WordPress plugin before 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing unauthenticated users to disclose a subscriber's personal data along with the key that authorises changes to their record.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-200

References

https://wpscan.com/vulnerability/dd6e7f9c-b986-4bb7-afb4-530a8b149605/

FAQ

What is CVE-2026-78146?

CVE-2026-78146 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The Simple Newsletter Plugin WordPress plugin before 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing u...

How severe is CVE-2026-78146?

CVE-2026-78146 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-78146?

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