CVE-2024-12907 XSS in Kentico 7
Reflected XSS in Kentico CMS allows attackers to execute scripts via GET parameters, affecting unsupported legacy versions.
- 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-2024-12907?
CVE-2024-12907 is a medium-severity cross-site scripting vulnerability in Kentico CMS, published on 2 Jan 2025. 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
Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2024-12907?
How do I fix CVE-2024-12907?
No fix has been published for CVE-2024-12907 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-2024-12907 being exploited?
There is no known exploitation of CVE-2024-12907 in the wild and no public exploit code.
Sources
Also known as GHSA-w8fj-mj3p-j645.