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CVE-2024-9529: The Secure Custom Fields WordPress plugin before 6.3.9, Secure Custom Fields WordPress plugin before 6.3.6.3,

37
Routine
MEDIUM 6.6UPGRADE

CVE-2024-9529 is a medium-severity flaw (CVSS 6.6) affecting advanced custom fields. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Secure Custom Fields WordPress plugin before 6.3.9, Secure Custom Fields WordPress plugin before 6.3.6.3, Advanced Custom Fields Pro WordPress plugin before 6.3.9 does not prevent users from running arbitrary functions through its setting import functionalities, which could allow high privilege users such as admin to run arbitrary PHP functions.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score6.6 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance0.4% (top 62%)
CISA exploited listNo
Published2024-11-15
Last modified2026-06-17
Publisher (CNA): WPScan · Vendor: advancedcustomfields

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

advancedcustomfields advanced custom fields UPGRADE
Affected: < 6.3.9
Fixed in: 6.3.9
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy advanced-custom-fields || rpm -q advanced-custom-fields || advanced-custom-fields --version
2. UPGRADE to 6.3.9 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade advanced-custom-fields
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade advanced-custom-fields
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-9529?

advanced custom fields: upgrade to 6.3.9. Exact commands for each OS are on this page.

Is CVE-2024-9529 being exploited?

CVE-2024-9529 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-9529 affect?

CVE-2024-9529 affects advanced custom fields. Severity is medium (CVSS 6.6). The Secure Custom Fields WordPress plugin before 6.3.9, Secure Custom Fields WordPress plugin before 6.3.6.3, Advanced Custom Fields Pro WordPress plugin before 6.3.9 does not prevent users from running arbitrary functions through its setti

How urgent is CVE-2024-9529?

Priority 37/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

References

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