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Frontend Admin by DynamiApps <= 3.29.12 — Unauthenticated Account Takeover via '_acf_objects' Object Identifier

CVE-2026-75816Published · Updated

Action summary

Affected: ≤3.29.12Update to 3.29.13 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-287 Improper Authentication
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

ACF Frontend Admin by DynamiApps acf-frontend-form-element

  1. Affected≤ 3.29.12
  2. Patched in3.29.13

Update to 3.29.13 or newer.

You are affected if you run ≤ 3.29.12. Version 3.29.13 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under ACF Frontend Admin by DynamiApps.
  • 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 3.29.13, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch ACF Frontend Admin by DynamiApps to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to thevietronin.

The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to Authentication Bypass to Account Takeover in all versions up to, and including, 3.29.12. This is due to the pre_update_value function lacking any capability or ownership check, and ActionPost::conditions_logic() short-circuiting its current_user_can('edit_post') authorization gate whenever the post ID is non-numeric — such as the string user_1 — allowing unauthenticated form submissions to be routed to arbitrary user records without restriction. This makes it possible for unauthenticated attackers to overwrite any user's registered email address, including an administrator's, and then leverage WordPress's native password-reset flow to fully take over the targeted account.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in ACF Frontend Admin by DynamiApps

All 38
More vulnerabilities in ACF Frontend Admin by DynamiApps
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤3.30.1Update to 3.30.2
CVE-2026-119504
High7.3Unauthenticated Privilege Escalation
≤3.30.1Update to 3.30.2
CVE-2026-119506
Medium5.3Missing Authorization
≤3.29.0Update to 3.30.0
CVE-2026-81343
Medium6.6Authenticated (Administrator+) PHP Object Injection
≤3.29.0Update to 3.30.0
CVE-2026-81344
High7.3Unauthenticated Privilege Escalation
≤3.29.13Update to 3.30.0
CVE-2026-109892

Timeline

  1. CVE published

    Severity critical, CVSS 9.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. 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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