CVE-2021-4394: The Locations plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and includin

Q: How do I fix CVE-2021-4394?

locations: upgrade to 4.0. Exact commands for each OS are on this page.

Q: Is CVE-2021-4394 being exploited?

CVE-2021-4394 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-2021-4394 affect?

CVE-2021-4394 affects locations. Severity is medium (CVSS 4.3). The Locations plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.1. This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unau

Q: How urgent is CVE-2021-4394?

Priority 30/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2021-4394 is a medium-severity flaw (CVSS 4.3) affecting locations. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Locations plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.1. This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unauthenticated attackers to update custom field meta data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-07-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: goldplugins

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

Am I affected?

Timeline

2023-07-01 05:15 UTCPublished CVE record published
2026-06-17 04:19 UTCUpdated Record last modified

goldplugins locations UPGRADE

Affected: < 4.0

Fixed in: 4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy locations || rpm -q locations || locations --version

2. UPGRADE to 4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade locations

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade locations

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-2021-4394?

locations: upgrade to 4.0. Exact commands for each OS are on this page.

Is CVE-2021-4394 being exploited?

CVE-2021-4394 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-2021-4394 affect?

CVE-2021-4394 affects locations. Severity is medium (CVSS 4.3). The Locations plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.1. This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unau

How urgent is CVE-2021-4394?

Priority 30/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-41797 MEDIUM 6.5 UPGRADE Auth

References

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