CVE-2008-5026 Cross-site scripting in n/a
Authenticated users can execute cross-site scripting attacks by uploading HTML documents due to shared origin policies for site and user files.
- 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-2008-5026?
CVE-2008-5026 is a low-severity cross-site scripting vulnerability in Microsoft Sharepoint Server, published on 10 Nov 2008. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Microsoft SharePoint uses URLs with the same hostname and port number for a web site's primary files and individual users' uploaded files (aka attachments), which allows remote authenticated users to leverage same-origin relationships and conduct cross-site scripting (XSS) attacks by uploading HTML documents.
Weakness: CWE-79
Which versions are affected by CVE-2008-5026?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2008-5026?
No fix has been published for CVE-2008-5026 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-2008-5026 being exploited?
There is no known exploitation of CVE-2008-5026 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
Sources
Also known as GHSA-97xr-fxpc-2qp6.