CVE-2026-91073 — MEDIUM (6.8)

Vulnerability Description

The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.

CVSS Score

6.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/50d0d5b6-2204-4af3-92d5-75085ce2f176/

FAQ

What is CVE-2026-91073?

CVE-2026-91073 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to ...

How severe is CVE-2026-91073?

CVE-2026-91073 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91073?

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