CVE-2024-0689: The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a meta import in

Q: How do I fix CVE-2024-0689?

custom field suite: upgrade to 2.6.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-0689 being exploited?

CVE-2024-0689 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-0689 affect?

CVE-2024-0689 affects custom field suite. Severity is medium (CVSS 4.4). The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a meta import in all versions up to, and including, 2.6.4 due to insufficient input sanitization and output escaping on the meta values. This makes

Q: How urgent is CVE-2024-0689?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2024-0689 is a medium-severity flaw (CVSS 4.4) affecting custom field suite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a meta import in all versions up to, and including, 2.6.4 due to insufficient input sanitization and output escaping on the meta values. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-02-29
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: custom field suite project

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

Am I affected?

Timeline

2024-02-29 03:15 UTCPublished CVE record published
2026-06-17 06:54 UTCUpdated Record last modified

custom field suite project custom field suite UPGRADE

Affected: < 2.6.5

Fixed in: 2.6.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy custom-field-suite || rpm -q custom-field-suite || custom-field-suite --version

2. UPGRADE to 2.6.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade custom-field-suite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade custom-field-suite

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-2024-0689?

custom field suite: upgrade to 2.6.5. Exact commands for each OS are on this page.

Is CVE-2024-0689 being exploited?

CVE-2024-0689 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-2024-0689 affect?

CVE-2024-0689 affects custom field suite. Severity is medium (CVSS 4.4). The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a meta import in all versions up to, and including, 2.6.4 due to insufficient input sanitization and output escaping on the meta values. This makes

How urgent is CVE-2024-0689?

Priority 22/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-3562 HIGH 8.8 UPGRADE The Custom Field Suite plugin for WordPress is vulnerable to PHP Code Injection in all versions up to, and inc
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CVE-2024-3559 MEDIUM 6.4 UPGRADE The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post
CVE-2024-3558 MEDIUM 6.4 UPGRADE The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post
CVE-2024-3068 MEDIUM 4.4 UPGRADE The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'cfs[fields][

References

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