CVE-2024-3972: The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisati

Q: How do I fix CVE-2024-3972?

similarity: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-3972 being exploited?

CVE-2024-3972 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-2024-3972 affect?

CVE-2024-3972 affects similarity. Severity is medium (CVSS 4.3). The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

Q: How urgent is CVE-2024-3972?

Priority 23/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2024-3972 is a medium-severity flaw (CVSS 4.3) affecting similarity. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

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	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-352
Published	2024-06-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: davidjmiller

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

Am I affected?

Timeline

2024-06-14 06:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

davidjmiller similarity UPGRADE

Affected: <= 3.0

Fixed in: newer than 3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade similarity

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-2024-3972?

similarity: upgrade to newer than 3.0. Exact commands for each OS are on this page.

Is CVE-2024-3972 being exploited?

CVE-2024-3972 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-2024-3972 affect?

CVE-2024-3972 affects similarity. Severity is medium (CVSS 4.3). The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS payloads via a CSRF attack

How urgent is CVE-2024-3972?

Priority 23/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-3971 MEDIUM 4.3 UPGRADE The Similarity WordPress plugin through 3.0 does not have CSRF check in place when resetting its settings, whi

References

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