CVE-2019-3591 DLP Endpoint ePO extension vulnerable to XSS
Unauthenticated attackers can trigger stored XSS in the ePO UI via crafted uploads, potentially compromising administrator accounts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-3591?
CVE-2019-3591 is a low-severity cross-site scripting vulnerability in McAfee, LLC Data Loss Prevention ePO extension, published on 24 Jul 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in ePO extension in McAfee Data Loss Prevention (DLPe) for Windows 11.x prior to 11.3.0 allows unauthenticated remote user to trigger specially crafted JavaScript to render in the ePO UI via a carefully crafted upload to a remote website which is correctly blocked by DLPe Web Protection. This would then render as an XSS when the DLP Admin viewed the event in the ePO UI.
Weakness: CWE-79
Which versions are affected by CVE-2019-3591?
It affects 1 product.
Products include Mcafee Data Loss Prevention Endpoint.
How do I fix CVE-2019-3591?
No fix has been published for CVE-2019-3591 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-2019-3591 being exploited?
There is no known exploitation of CVE-2019-3591 in the wild and no public exploit code.
Other vulnerabilities in McAfee, LLC Data Loss Prevention ePO extension
- CVE-2021-31848 Data Loss Prevention (DLP) ePO extension - Cross site scripting (XSS)
- CVE-2021-31849 Data Loss Prevention (DLP) ePO extension - SQL injection
- CVE-2021-31844 Local Privilege Escalation in McAfee DLP Endpoint for Windows
- CVE-2021-23887 Privilege escalation in McAfee DLP Endpoint for Windows
- CVE-2016-8012 Privilege escalation in Data Loss Prevention Endpoint (DLPe)
Sources
Also known as GHSA-59jw-h7c8-p754.