CVE-2020-7303 DLP ePO extension - Cross-site scripting
An authenticated remote user can execute arbitrary scripts in a victim's browser by adding a new label in the McAfee DLP ePO extension.
- 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-2020-7303?
CVE-2020-7303 is a medium-severity cross-site scripting vulnerability in McAfee DLP ePO extension, published on 13 Aug 2020. 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
Cross Site scripting vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.5.3 allows authenticated remote user to trigger scripts to run in a user's browser via adding a new label.
Weakness: CWE-79
Which versions are affected by CVE-2020-7303?
It affects 1 product.
Products include Mcafee Data Loss Prevention.
How do I fix CVE-2020-7303?
No fix has been published for CVE-2020-7303 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-2020-7303 being exploited?
There is no known exploitation of CVE-2020-7303 in the wild and no public exploit code.
Other vulnerabilities in McAfee DLP ePO extension
- CVE-2021-4088 Blind SQL injection in DLP ePO extension
- CVE-2020-7346 Privilege escalation in McAfee DLP Endpoint for Windows
- CVE-2020-7304 DLP ePO extension - Cross-site request forgery
- CVE-2020-7305 DLP ePO extension - Privilege escalation
- CVE-2020-7302 DLP ePO extension - Unrestricted Upload of File with Dangerous Type
Sources
Also known as GHSA-pcrw-xgw2-v3pv.