Advanced Custom Fields < 6.3 - Contributor+ Custom Field Access

published 2024-06-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-44177

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

The Advanced Custom Fields (ACF) WordPress plugin before 6.3, Advanced Custom Fields Pro WordPress plugin before 6.3 allows you to display custom field values for any post via shortcode without checking for the correct access

Patch / fix

fixed in 4

Unknown Advanced Custom Fields (ACF) 6.3
Unknown Advanced Custom Fields Pro 6.3
wpengine advanced_custom_field_pro 6.3
wpengine advanced_custom_fields 6.3

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-06-20)

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/430224c4-d6e3-4ca8-b1bc-b2229a9bcf12/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Unknown Advanced Custom Fields (ACF)
Unknown Advanced Custom Fields Pro
wpengine advanced_custom_field_pro
wpengine advanced_custom_fields

Classification

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/430224c4-d6e3-4ca8-b1bc-b2229a9bcf12/
exploit, vdb-entry, technical-description, third-party-advisory

Sources

CVE List CVE-2024-4565
NVD CVE-2024-4565

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary