CVE-2026-108685 Details
Description
The WP Post Author WordPress plugin before 4.2.0 does not check that the account was created before updating its profile during front-end registration, allowing unauthenticated users to overwrite the display name, nickname and website of the first user account, which is normally the administrator, when a registration form declares one of those fields.
A vulnerability exists in the WP Post Author WordPress plugin in versions prior to 4.2.0. The issue arises because the plugin fails to verify that an account was created before allowing profile updates during front-end registration. This flaw enables unauthenticated users to overwrite the display name, nickname, and website of the first user account, typically the administrator, when the registration form includes these fields.
Users are advised to update the WP Post Author WordPress plugin to version 4.2.0 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 29, 2026CISA-ADP
Assessed Oct 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/605832f7-40d5-4a74-a30a-5f5f2906db63/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| WP Post Author | < 4.2.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 29, 2026 | CVE Modified | CISA-ADP |
| Oct 29, 2026 | New CVE Received | [email protected] |