CVE-2008-1888 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script into SharePoint via the Rich Text Editor, potentially stealing user data or hijacking sessions.
- 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-2008-1888?
CVE-2008-1888 is a medium-severity cross-site scripting vulnerability in Microsoft Sharepoint Server, published on 18 Apr 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
Cross-site scripting (XSS) vulnerability in Microsoft Windows SharePoint Services 2.0 allows remote attackers to inject arbitrary web script or HTML via the Picture Source (aka picture object source) field in the Rich Text Editor.
Weakness: CWE-79
Which versions are affected by CVE-2008-1888?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2008-1888?
No fix has been published for CVE-2008-1888 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-2008-1888 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-1888 exists.
Public exploit code: 1 Exploit-DB entry.
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-6mv6-6g96-82f9.