CVE-2023-2254 Ko-fi Button < 1.3.3 - Admin+ Stored XSS
High-privilege users can inject malicious scripts via Ko-fi Button settings, bypassing unfiltered_html restrictions in multisite environments.
- 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-2023-2254?
CVE-2023-2254 is a medium-severity cross-site scripting vulnerability in Unknown Ko-fi Button, published on 16 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Ko-fi Button WordPress plugin before 1.3.3 does not properly some of its settings, which could allow high-privilege users to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disallowed (for example in multisite setup), and we consider it a low risk.
Weakness: CWE-79
Which versions are affected by CVE-2023-2254?
It affects 1 product.
Products include Ko-Fi Ko-Fi Button.
How do I fix CVE-2023-2254?
No fix has been published for CVE-2023-2254 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-2023-2254 being exploited?
There is no known exploitation of CVE-2023-2254 in the wild and no public exploit code.
Sources
Also known as GHSA-5x35-3c26-4v3r.