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6 vulnerabilities found for Advanced Custom Fields (ACF®) by wpengine
CVE-2026-8382 (GCVE-0-2026-8382)
Vulnerability from nvd – Published: 2026-05-31 02:28 – Updated: 2026-06-01 10:33
VLAI
Title
Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' Parameters
Summary
The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the post_title and post_content of any post bound to a publicly accessible acf_form() instance by injecting values into the _post_title and _post_content parameters of a form submission request.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.8.1
(semver)
|
Credits
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CVE-2026-4812 (GCVE-0-2026-4812)
Vulnerability from nvd – Published: 2026-04-15 01:25 – Updated: 2026-04-15 16:01
VLAI
Title
Advanced Custom Fields (ACF®) <= 6.7.0 - Unauthenticated Missing Authorization to Arbitrary Post/Page Disclosure via AJAX Field Query Parameters
Summary
The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Missing Authorization to Arbitrary Post/Page Disclosure in versions up to and including 6.7.0. This is due to AJAX field query endpoints accepting user-supplied filter parameters that override field-configured restrictions without proper authorization checks. This makes it possible for unauthenticated attackers with access to a frontend ACF form to enumerate and disclose information about draft/private posts, restricted post types, and other data that should be restricted by field configuration.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
17 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.7.0
(semver)
|
Credits
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CVE-2023-6701 (GCVE-0-2023-6701)
Vulnerability from nvd – Published: 2024-02-05 21:22 – Updated: 2026-04-08 17:29
VLAI
Title
Advanced Custom Fields <= 6.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field
Summary
The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a custom text field in all versions up to, and including, 6.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.2.4
(semver)
|
|
| Delicious Brains | Advanced Custom Fields Pro |
Affected:
0 , ≤ 6.2.4
(semver)
|
Credits
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CVE-2026-8382 (GCVE-0-2026-8382)
Vulnerability from cvelistv5 – Published: 2026-05-31 02:28 – Updated: 2026-06-01 10:33
VLAI
Title
Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' Parameters
Summary
The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the post_title and post_content of any post bound to a publicly accessible acf_form() instance by injecting values into the _post_title and _post_content parameters of a form submission request.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.8.1
(semver)
|
Credits
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CVE-2026-4812 (GCVE-0-2026-4812)
Vulnerability from cvelistv5 – Published: 2026-04-15 01:25 – Updated: 2026-04-15 16:01
VLAI
Title
Advanced Custom Fields (ACF®) <= 6.7.0 - Unauthenticated Missing Authorization to Arbitrary Post/Page Disclosure via AJAX Field Query Parameters
Summary
The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Missing Authorization to Arbitrary Post/Page Disclosure in versions up to and including 6.7.0. This is due to AJAX field query endpoints accepting user-supplied filter parameters that override field-configured restrictions without proper authorization checks. This makes it possible for unauthenticated attackers with access to a frontend ACF form to enumerate and disclose information about draft/private posts, restricted post types, and other data that should be restricted by field configuration.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
17 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.7.0
(semver)
|
Credits
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CVE-2023-6701 (GCVE-0-2023-6701)
Vulnerability from cvelistv5 – Published: 2024-02-05 21:22 – Updated: 2026-04-08 17:29
VLAI
Title
Advanced Custom Fields <= 6.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field
Summary
The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a custom text field in all versions up to, and including, 6.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| wpengine | Advanced Custom Fields (ACF®) |
Affected:
0 , ≤ 6.2.4
(semver)
|
|
| Delicious Brains | Advanced Custom Fields Pro |
Affected:
0 , ≤ 6.2.4
(semver)
|
Credits
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