CVE-2019-1490 Cross-site scripting in Skype for Business Server 2019 CU2
An attacker can spoof content in Skype for Business Server by sending a specially crafted request that is not properly sanitized.
- 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-2019-1490?
CVE-2019-1490 is a medium-severity cross-site scripting vulnerability in Microsoft Skype for Business Server 2019 CU2, published on 10 Dec 2019. 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 spoofing vulnerability exists when a Skype for Business Server does not properly sanitize a specially crafted request, aka 'Skype for Business Server Spoofing Vulnerability'.
Weakness: CWE-74
Which versions are affected by CVE-2019-1490?
It affects 1 product.
Products include Microsoft Skype for Business.
How do I fix CVE-2019-1490?
No fix has been published for CVE-2019-1490 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-2019-1490 being exploited?
There is no known exploitation of CVE-2019-1490 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Skype for Business Server 2019 CU2
Sources
Also known as GHSA-7hjv-846h-7wvc.