Privilege escalation in Koinonia Link
CVE-2026-87782
The Koinonia Link WordPress plugin before 1.1.5 does not check that a user is allowed to change roles before saving a role selection submitted with a profile update, allowing any authenticated user, such as a subscriber, to grant themselves the Administrator role.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Koinonia Link
Weakness classification (CWE)
References
- wpscan.com/vulnerability/0f3af398-4a70-4987-9da8-b876b9e932c7/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-87782?
- CVE-2026-87782 is a high-severity vulnerability in Koinonia Link, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-10-07.
- How severe is CVE-2026-87782?
- High severity. CVSS v3 base score is 8.8 out of 10.