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Vulnerability record · CVE-2026-86801 · published 17 September 2026

CVE-2026-86801: Missing authentication for critical function vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.51% · top 58.7% CWE-306 · Missing authentication for critical function Deferred
8.8CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://wpscan.com/vulnerability/baebde16-141c-4de4-8ecb-173c25bed40d/

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Source: NIST National Vulnerability Database (record CVE-2026-86801), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.