What is CVE-2023-6701?

CVE-2023-6701 is a medium-severity vulnerability in Advancedcustomfields Advanced Custom Fields, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-02-05.

How severe is CVE-2023-6701?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2023-6701 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Advancedcustomfields Advanced Custom Fields

CVE-2023-6701

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000

Affected products

Advancedcustomfields Advanced Custom Fields
Delicious Brains Advanced Custom Fields Pro — versions 0
Wpengine Advanced Custom Fields (Acf®) — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.wordfence.com/threat-intel/vulnerabilities/id/e3593dfd-7b2a-4d01-8af0-725b4… (Third Party Advisory)
www.advancedcustomfields.com/blog/acf-6-2-5-security-release/ (Release Notes)
plugins.trac.wordpress.org/changeset/3022469/advanced-custom-fields (Patch)

Frequently asked questions

What is CVE-2023-6701?: CVE-2023-6701 is a medium-severity vulnerability in Advancedcustomfields Advanced Custom Fields, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-02-05.
How severe is CVE-2023-6701?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-6701 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.