CVE-2026-83555 — MEDIUM (5.3)

Vulnerability Description

The Email Subscribers & Newsletters WordPress plugin before 5.9.35 does not verify the per-subscriber management token before changing a subscriber's subscription status, allowing unauthenticated users to force-unsubscribe or force-confirm an arbitrary subscriber whose email address they know.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

https://wpscan.com/vulnerability/54cb2a98-7860-40dd-817e-1294317084aa/

FAQ

What is CVE-2026-83555?

CVE-2026-83555 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The Email Subscribers & Newsletters WordPress plugin before 5.9.35 does not verify the per-subscriber management token before changing a subscriber's subscription status, allowing unauthenticated use...

How severe is CVE-2026-83555?

CVE-2026-83555 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-83555?

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