CVE-2026-97191lowCWE-284

CVE-2026-97191: low-severity vulnerability in Advanced Custom Fields (ACF®)

Advanced Custom Fields < 6.8.11 - Contributor+ Admin-Restricted Custom Field Update via Post Save Path

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28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 2.7epss 0.2%
The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not re-apply its field-group location rules when persisting values submitted through the post editor save path, allowing users with contributor-level access and above to write custom fields the site restricted to administrators onto their own posts.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · Advanced Custom Fields (ACF®)
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Advanced Custom Fields (ACF®)

In the same product, most dangerous first.

CVE-2026-110813HIGHAdvanced Custom Fields (ACF®) < 6.8.11 - Unauthenticated Stored XSS via HTML Attribute Name InjectionEPSS 0.3%CVE-2026-97189LOWAdvanced Custom Fields < 6.8.11 - Contributor+ Unpublished Post Title and Status Disclosure via Relational FieldsEPSS 0.2%CVE-2026-97190LOWAdvanced Custom Fields 6.2.0 - 6.8.10 - Contributor+ Relationship Field Update on Arbitrary Objects via IDOREPSS 0.2%