What is CVE-2022-3904?

CVE-2022-3904 is a medium-severity vulnerability in Monsterinsights, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-16.

How severe is CVE-2022-3904?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-3904 known to be exploited?

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

XSS in Monsterinsights

CVE-2022-3904

The MonsterInsights WordPress plugin before 8.9.1 does not sanitize or escape page titles in the top posts/pages section, allowing an unauthenticated attacker to inject arbitrary web scripts into the titles by spoofing requests to google analytics.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-01-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (70.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Monsterinsights
Monsterinsights — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/244d9ef1-335c-4f65-94ad-27c0c633f6ad (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-3904?: CVE-2022-3904 is a medium-severity vulnerability in Monsterinsights, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-16.
How severe is CVE-2022-3904?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-3904 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.