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Home / Threats / CVE-2023-1196

CVE-2023-1196 - Advanced Custom Fields Plugin

CVE-2023-1196

Vulnerability CVE-2023-1196 PLUGIN advanced-custom-fields HIGH

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.

CVE-2023-1196

HIGH CVSS 8.8 Published 2023-05-02 Updated 2025-01-30
AI Risk High (78/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Components 1
Reference Links 2
AI Risk Engine High (78/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2023-05-02 CVE published and first recorded in the threat feed.
  2. 2025-01-30 Record updated with latest vulnerability metadata.
  3. 2026-04-09 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 6 days ago

AI enriched 6 days ago (2026-04-09 06:11 UTC)

Technical Summary

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.

Potential Impact

Severity is HIGH (CVSS 8.8). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Advanced Custom Fields PLUGIN · advanced-custom-fields Affected: >= 5.0.0, < 5.12.5 Fixed in: 5.12.5

Related Vulnerabilities

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CVE-2026-4812 - Advanced Custom Fields Plugin CVE-2026-4812 Published 2026-04-15 New CVE-2024-9529 - Advanced Custom Fields Plugin CVE-2024-9529 Published 2024-11-15 CVE-2024-49593 - Advanced Custom Fields Plugin CVE-2024-49593 Published 2024-10-17 CVE-2024-4565 - Advanced Custom Fields Plugin CVE-2024-4565 Published 2024-06-20 CVE-2023-6701 - Advanced Custom Fields Plugin CVE-2023-6701 Published 2024-02-05 CVE-2022-2594 - Advanced Custom Fields Plugin CVE-2022-2594 Published 2022-08-22
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