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ACPT (Premium) <= 2.0.66 — Unauthenticated Privilege Escalation via 'acpt_form_post_id' Parameter

CVE-2026-32566Published · Updated

Action summary

Affected: ≤2.0.66Update to 2.0.67 or newer

All remediation steps
Watch plugin
Severity
Critical9.8
CVSS
9.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-269 Privilege Escalation
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

ACPT (Premium) advanced-custom-post-type

  1. Affected≤ 2.0.66
  2. Patched in2.0.67

Update to 2.0.67 or newer.

You are affected if you run ≤ 2.0.66. Version 2.0.67 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ACPT (Premium).
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.0.67, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch ACPT (Premium) to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to VDsec.

The ACPT (Premium) plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.0.66. This is due to missing authorization in the `submit()` function, which allows unauthenticated form submissions to control the target user ID before calling `wp_update_user()`. This makes it possible for unauthenticated attackers to overwrite any WordPress user's email address and password, including an administrator's, and take over the account. Successful exploitation requires a public ACPT user form that permits anonymous submissions.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in ACPT (Premium)

All 5
More vulnerabilities in ACPT (Premium)
SeverityVulnerabilityCVEPublished
High8.8Authenticated (Subscriber+) Remote Code Execution via REST API Email Template
≤2.0.66Update to 2.0.67
CVE-2026-105701
Medium6.5Authenticated (Subscriber+) SQL Injection
≤2.0.63No patch available
CVE-2026-32564
High7.5Authenticated (Subscriber+) PHP Object Injection
≤2.0.63No patch available
CVE-2026-32563
Critical9.8Custom Post Types Plugin for WordPress <= 2.0.47 - Unauthenticated Remote Code Execution
≤2.0.47No patch available
CVE-2026-25470

Same weakness (Privilege Escalation)

All Privilege Escalation
Other Privilege Escalation vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity critical, CVSS 9.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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