---
id: CVE-2026-97190
title: >-
  Advanced Custom Fields 6.2.0 - 6.8.10 - Contributor+ Relationship Field Update
  on Arbitrary Objects via IDOR
summary: >-
  The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not
  verify that a user is allowed to edit the target object before writing to it
  during bidirectional relationship synchronization, allowing users with
  contributor-lev…
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N'
cvssSource: adp
cwe:
  - CWE-639
product: Advanced Custom Fields (ACF®)
affected:
  - advanced_custom_fields_acf >= 6.2.0 < 6.8.11
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-07T18:06:03.660951Z'
published: '2026-11-07'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T18:16:17.273Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-97190'
references:
  - url: 'https://wpscan.com/vulnerability/9e35af14-3981-4751-a08a-98431c1ac9cf/'
tags:
  - cve.org
epss: 0.00132
epssPercentile: 0.02819
ingestedAt: '2026-11-07T06:11:40.177Z'
---

## Overview

The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not verify that a user is allowed to edit the target object before writing to it during bidirectional relationship synchronization, allowing users with contributor-level access and above to add or remove a reference to their own object on arbitrary posts, users, or terms they cannot otherwise edit.

## Affected

- `advanced_custom_fields_acf >= 6.2.0 < 6.8.11`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.