CVE-2023-2082 Buy Me a Coffee – Button and Widget Plugin <= 3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting

What is CVE-2023-2082?

CVE-2023-2082 is a medium-severity cross-site scripting vulnerability in buymeacoffee Buy Me a Coffee – Button and Widget Plugin, published on 14 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The "Buy Me a Coffee – Button and Widget Plugin" plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 3.6 due to insufficient sanitization and escaping on the 'text value set via the bmc_post_reception action. This makes it possible for authenticated attackers, with subscriber-level permissions, and above to inject arbitrary web scripts into pages that execute whenever a victim accesses a page with the injected scripts.

Weakness: CWE-79

Which versions are affected by CVE-2023-2082?

It affects 1 product.

Products include Buymeacoffee Buy Me a Coffee.

How do I fix CVE-2023-2082?

No fix has been published for CVE-2023-2082 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-2082 being exploited?

There is no known exploitation of CVE-2023-2082 in the wild and no public exploit code.

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

• CVE-2023-2078 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Missing Authorization High 7.3
• CVE-2023-2079 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Cross-Site Request Forgery High 7.1
• 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-f2qm-cj3h-v89v.