CVE-2018-6842 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in a victim's browser via a crafted URL in Kentico CMS, potentially leading to session hijacking.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-6842?
CVE-2018-6842 is a medium-severity cross-site scripting vulnerability in Kentico Xperience, published on 19 Mar 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Kentico 10 before 10.0.50 and 11 before 11.0.3 has XSS in which a crafted URL results in improper construction of a system page.
Weakness: CWE-79
Which versions are affected by CVE-2018-6842?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2018-6842?
No fix has been published for CVE-2018-6842 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-2018-6842 being exploited?
There is no known exploitation of CVE-2018-6842 in the wild and no public exploit code.
Other vulnerabilities in Kentico Xperience
- CVE-2025-2746 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data
- CVE-2025-2749 Kentico Xperience Path Traversal
- CVE-2017-17736 Missing authorization in n/a
Sources
Also known as GHSA-xc9c-j8fw-874p.