CVE-2023-4803 ITM Server Cross-site Scripting in WriteWindowTitle Endpoint
An authenticated administrator can execute arbitrary JavaScript in another administrator's browser via a reflected XSS vulnerability in the ITM Server web console.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4803?
CVE-2023-4803 is a medium-severity cross-site scripting vulnerability in Proofpoint ITM Server, published on 13 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting vulnerability in the WriteWindowTitle endpoint of the Insider Threat Management (ITM) Server's web console could be used by an authenticated administrator to run arbitrary javascript within another web console administrator's browser. All versions prior to 7.14.3.69 are affected.
Weakness: CWE-79
Which versions are affected by CVE-2023-4803?
It affects 1 product.
Products include Proofpoint Insider Threat Management.
How do I fix CVE-2023-4803?
No fix has been published for CVE-2023-4803 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-2023-4803 being exploited?
There is no known exploitation of CVE-2023-4803 in the wild and no public exploit code.
Other vulnerabilities in Proofpoint ITM Server
Sources
Also known as GHSA-8h46-vgr3-9j7m.