Auth bypass in To Do List Member
CVE-2026-86801
The To Do List Member WordPress plugin from 1.4 through 1.6 ships a file upload endpoint that does not load WordPress and therefore applies no authentication, capability or nonce check of any kind, and validates only the name of an uploaded file rather than its content, allowing unauthenticated users to store active content served from the site's own origin, and to list and delete the files already staged there.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Unknown To Do List Member
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-86801?
- CVE-2026-86801 is a high-severity vulnerability in To Do List Member, classified under Missing Authentication for Critical Function. CVSS score: 8.8/10. Published 2026-09-17.
- How severe is CVE-2026-86801?
- High severity. CVSS v3 base score is 8.8 out of 10.