What is CVE-2022-43500?

CVE-2022-43500 is a medium-severity vulnerability in WordPress, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-12-05.

How severe is CVE-2022-43500?

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

XSS in WordPress

CVE-2022-43500

Cross-site scripting vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to inject an arbitrary script. The developer also provides new patched releases for all versions since 3.7.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-12-05 · 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: 0.009 (59.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

WordPress
Wordpress.org WordPress — versions versions prior to 6.0.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wordpress.org/download/ (Product)
wordpress.org/news/2022/10/wordpress-6-0-3-security-release/ (Patch, Release Notes, Vendor Advisory)
jvn.jp/en/jp/JVN09409909/index.html (Third Party Advisory)

Frequently asked questions

What is CVE-2022-43500?: CVE-2022-43500 is a medium-severity vulnerability in WordPress, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-12-05.
How severe is CVE-2022-43500?: Medium severity. CVSS v3 base score is 6.1 out of 10.