CVE-2020-0954 Cross-site scripting in Microsoft Project Server
An attacker can execute arbitrary scripts in a victim's browser via a crafted request to Microsoft SharePoint Server.
- 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-2020-0954?
CVE-2020-0954 is a medium-severity cross-site scripting vulnerability in Microsoft Sharepoint Enterprise Server, published on 15 Apr 2020. 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 Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-0923, CVE-2020-0924, CVE-2020-0925, CVE-2020-0926, CVE-2020-0927, CVE-2020-0930, CVE-2020-0933, CVE-2020-0973, CVE-2020-0978.
Weakness: CWE-79
Which versions are affected by CVE-2020-0954?
It affects 3 products.
Products include Microsoft Project Server, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server.
How do I fix CVE-2020-0954?
No fix has been published for CVE-2020-0954 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-2020-0954 being exploited?
There is no known exploitation of CVE-2020-0954 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Enterprise Server
Sources
Also known as GHSA-h4rw-8g46-q3rm.