CVE-2021-21515 Cross-site scripting in SourceOne
A remote low-privileged attacker can inject malicious scripts into Dell SourceOne to hijack user sessions or trick users into sending arbitrary requests.
- 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-2021-21515?
CVE-2021-21515 is a critical cross-site scripting vulnerability in Dell SourceOne, published on 1 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability. A remote low privileged attacker may potentially exploit this vulnerability, to hijack user sessions or to trick a victim application user to unknowingly send arbitrary requests to the server.
Weakness: CWE-79
Which versions are affected by CVE-2021-21515?
It affects 1 product.
Products include Dell Emc Sourceone.
How do I fix CVE-2021-21515?
No fix has been published for CVE-2021-21515 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-2021-21515 being exploited?
There is no known exploitation of CVE-2021-21515 in the wild and no public exploit code.
Sources
Also known as GHSA-756r-754x-rvfh.