CVE-2012-1859 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via crafted URLs in Microsoft SharePoint, potentially compromising user sessions.
- 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-2012-1859?
CVE-2012-1859 is a medium-severity cross-site scripting vulnerability in Microsoft Office Web Apps, published on 10 Jul 2012. 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
Cross-site scripting (XSS) vulnerability in scriptresx.ashx in Microsoft SharePoint Server 2010 Gold and SP1, SharePoint Foundation 2010 Gold and SP1, and Office Web Apps 2010 Gold and SP1 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript elements in a URL, aka "XSS scriptresx.ashx Vulnerability."
Weakness: CWE-79
Which versions are affected by CVE-2012-1859?
It affects 3 products.
Products include Microsoft Office Web Apps, Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2012-1859?
No fix has been published for CVE-2012-1859 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-2012-1859 being exploited?
There is no known exploitation of CVE-2012-1859 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office Web Apps
Sources
Also known as GHSA-44c7-2233-xwr4.