CVE-2020-12882 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in a victim's browser by uploading a malicious SVG file, potentially compromising accounts.
- 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-2020-12882?
CVE-2020-12882 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Submitty through 20.04.01 allows XSS via upload of an SVG document, as demonstrated by an attack by a Student against a Teaching Fellow.
Weakness: CWE-79
Which versions are affected by CVE-2020-12882?
It affects 1 product.
Products include Rcos Submitty.
How do I fix CVE-2020-12882?
No fix has been published for CVE-2020-12882 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-2020-12882 being exploited?
There is no known exploitation of CVE-2020-12882 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2cpf-r6vv-ph3v.