CVE-2023-2078 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Missing Authorization

What is CVE-2023-2078?

CVE-2023-2078 is a high-severity missing authorization vulnerability in buymeacoffee Buy Me a Coffee – Button and Widget Plugin, published on 11 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The "Buy Me a Coffee – Button and Widget Plugin" plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks 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 authenticated attackers, with minimal permissions such as subscribers, to update the plugins settings. CVE-2023-25030 may be a duplicate of this issue.

Weakness: CWE-862

Which versions are affected by CVE-2023-2078?

It affects 1 product.

Products include Buymeacoffee Buy Me a Coffee.

How do I fix CVE-2023-2078?

No fix has been published for CVE-2023-2078 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-2078 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2078 exists.

Other vulnerabilities in buymeacoffee Buy Me a Coffee – Button and Widget Plugin

• CVE-2023-2079 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Cross-Site Request Forgery High 7.1
• CVE-2023-2082 Buy Me a Coffee – Button and Widget Plugin <= 3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting Medium 6.4
• CVE-2023-2578 Buy Me a Coffee < 3.7 - Admin+ Stored XSS Medium 4.8
• CVE-2023-25030 WordPress Buy Me a Coffee plugin <= 3.7 - Broken Access Control vulnerability Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jjrx-x5mm-p728.