CVE-2026-87759 — HIGH (8.8)

Vulnerability Description

The Add User Autocomplete WordPress plugin before 1.2 does not perform any capability or nonce check before creating a pending site-membership invitation carrying a caller-supplied role, allowing any authenticated user, such as a subscriber, to grant themselves the administrator role on a multisite installation.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-269

References

https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/

FAQ

What is CVE-2026-87759?

CVE-2026-87759 is a vulnerability with a CVSS score of 8.8 (HIGH). The Add User Autocomplete WordPress plugin before 1.2 does not perform any capability or nonce check before creating a pending site-membership invitation carrying a caller-supplied role, allowing any ...

How severe is CVE-2026-87759?

CVE-2026-87759 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87759?

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