Advanced Customized Prompts allows unauthenticated account takeover

advanced-customized-prompts through 1.0.1 does not verify a password before issuing an authenticated session for a supplied email address in an unauthenticated action. An attacker can log in as any registered user, including an Administrator, or create arbitrary new accounts. The authoritative export does not identify the action, email parameter, session function, or account-creation parameters.

CVE / CNA score 9.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

NVD score Pending NVD has not published its own CVSS assessment.

Component: advanced-customized-prompts
Plugin slug: advanced-customized-prompts
Affected: <= 1.0.1
Safe version: See mitigation notes
Published: Sep 11, 2026
Weakness: CWE-287 — Improper Authentication

This CVE was published Sep 11, 2026 and is one of 3 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is confirmed in the authoritative export. Deactivate the plugin until an upstream fix is available, then require normal credential verification and authorization before issuing a session or creating an account. Review administrator accounts and active sessions if exploitation is suspected.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The advanced-customized-prompts WordPress plugin through 1.0.1 does not verify the password before issuing an authenticated session for a supplied email address in an unauthenticated action, allowing unauthenticated attackers to log in as any registered user, including administrators, or to create arbitrary new accounts.

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

References

Primary and upstream sources

Data attribution: This product uses the NVD API but is not endorsed or certified by the NVD.

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