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.
Published: 2026-09-11
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized Access
Action: Immediate Patch
AI Analysis

Impact

The WordPress plugin Advanced Customized Prompts mishandles authentication by issuing an authenticated session for any email address after a password check is skipped during an unauthenticated action. This flaw allows an attacker to log in as any registered user, including administrators, or to create arbitrary new accounts. The vulnerability is an authentication bypass that can result in full account takeover, jeopardizing confidentiality, integrity, and availability of the site.

Affected Systems

Users who have installed Advanced Customized Prompts on any WordPress site are affected, regardless of the WordPress core version. The flaw exists in all plugin releases up to and including version 1.0.1. No vendor-delivered patch is currently listed.

Risk and Exploitability

The CVSS score is 9.8, indicating a critically high severity. The EPSS score is not available and the vulnerability is not listed in the CISA KEV catalog. Based vector is an unauthenticated request to the plugin’s endpoint, requiring no pre‑existing credentials. Because the flaw permits immediate session acquisition, an attacker could making the exposure period particularly risky.

Generated by OpenCVE AI on September 11, 2026 at 14:16 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Deactivate or delete the Advanced Customized Prompts plugin until a patched version is available
  • Apply any vendor patch or upgrade to a fixed release as unauthenticated requests to the plugin’s endpoint using a web application firewall
  • Enable multi‑factor authentication for all WordPress administrator accounts

Generated by OpenCVE AI on September 11, 2026 at 14:16 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 11 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 11 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287

Fri, 11 Sep 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title Advanced Customized Prompts <= 1.0.1 - Unauthenticated Account Takeover
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-11T10:10:33.460Z

Reserved: 2026-07-03T10:03:37.763Z

Link: CVE-2026-14563

cve-icon Vulnrichment

Updated: 2026-09-11T10:02:47.195Z

cve-icon NVD

Status : Deferred

Published: 2026-09-11T07:16:46.177

Modified: 2026-09-11T17:35:21.440

Link: CVE-2026-14563

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T14:30:19Z

Weaknesses