CVE-2023-2578 Buy Me a Coffee < 3.7 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the Buy Me a Coffee plugin, bypassing unfiltered_html restrictions in multisite setups.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-2578?
CVE-2023-2578 is a medium-severity cross-site scripting vulnerability in Unknown Buy Me a Coffee, published on 10 Jul 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Buy Me a Coffee WordPress plugin before 3.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Which versions are affected by CVE-2023-2578?
It affects 1 product.
Products include Buymeacoffee Buy Me a Coffee.
How do I fix CVE-2023-2578?
No fix has been published for CVE-2023-2578 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-2023-2578 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2578 exists.
Other vulnerabilities in Unknown Buy Me a Coffee
- CVE-2023-2078 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Missing Authorization
- CVE-2023-2079 Buy Me a Coffee – Button and Widget Plugin <= 3.7 - Cross-Site Request Forgery
- CVE-2023-2082 Buy Me a Coffee – Button and Widget Plugin <= 3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting
- CVE-2023-25030 WordPress Buy Me a Coffee plugin <= 3.7 - Broken Access Control vulnerability
Sources
Also known as GHSA-xmhp-p9h6-3cqm.