What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-11 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• buymeacoffee Buy Me a Coffee – Button and Widget Plugin: before 3.8 — fixed in 3.8

How to fix

Upgrade to a fixed version: buymeacoffee Buy Me a Coffee – Button and Widget Plugin 3.8. Check the vendor advisory for mitigations.

References

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

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