CVE-2023-2337 ConvertKit < 2.2.1 - Reflected XSS
Reflected XSS in ConvertKit plugin allows attackers to execute scripts against admin users, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-2337?
CVE-2023-2337 is a medium-severity cross-site scripting vulnerability in Unknown ConvertKit, published on 5 Jun 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The ConvertKit WordPress plugin before 2.2.1 does not escape a parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
Which versions are affected by CVE-2023-2337?
It affects 1 product.
Products include Convertkit Convertkit - Email Marketing\, Email Newsletter and Landing Pages.
How do I fix CVE-2023-2337?
No fix has been published for CVE-2023-2337 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-2023-2337 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2337 exists.
Other vulnerabilities in Unknown ConvertKit
Sources
Also known as GHSA-mc63-jfph-4vpx.