What’s Vulnerable › Vulnerabilities

CVE-2022-43500

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-05 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• WordPress: before 3.7.40; from 3.8 before 3.8.40; from 3.9 before 3.9.39; from 4.0 before 4.0.37; from 4.1 before 4.1.37; from 4.2 before 4.2.34 — fixed in 3.7.40, 3.8.40, 3.9.39, 4.0.37, 4.1.37, 4.2.34

How to fix

Upgrade to a fixed version: WordPress 3.7.40, 3.8.40, 3.9.39, 4.0.37. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/jp/JVN09409909/index.html
• https://wordpress.org/download/
• https://wordpress.org/news/2022/10/wordpress-6-0-3-security-release/
• https://jvn.jp/en/jp/JVN09409909/index.html
• https://wordpress.org/download/
• https://wordpress.org/news/2022/10/wordpress-6-0-3-security-release/

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