CVE-2022-43504

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% 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-287

Description

Improper authentication vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to obtain the email address of the user who posted a blog using the WordPress Post by Email Feature. 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

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