CVE-2018-8326 Cross-site scripting in Web Customizations
An XSS vulnerability in AD FS web customizations allows attackers to execute scripts, potentially leading to session hijacking or account takeover.
- 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-2018-8326?
CVE-2018-8326 is a medium-severity cross-site scripting vulnerability in Microsoft Web Customizations, published on 11 Jul 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
A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Open Source Customization for Active Directory Federation Services XSS Vulnerability." This affects Web Customizations.
Weakness: CWE-79
Which versions are affected by CVE-2018-8326?
It affects 1 product.
Products include Microsoft Web Customizations.
How do I fix CVE-2018-8326?
No fix has been published for CVE-2018-8326 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-2018-8326 being exploited?
There is no known exploitation of CVE-2018-8326 in the wild and no public exploit code.
Sources
Also known as GHSA-g2j6-p9vm-4p3r.