CVE-2020-16255 Cross-site scripting in n/a
Cross-site scripting in the ownCloud login page allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-16255?
CVE-2020-16255 is a medium-severity cross-site scripting vulnerability in Owncloud Owncloud, published on 15 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
ownCloud (Core) before 10.5 allows XSS in login page 'forgot password.'
Weakness: CWE-79
Which versions are affected by CVE-2020-16255?
It affects 1 product.
Products include Owncloud Owncloud.
How do I fix CVE-2020-16255?
Upgrade to a fixed version.
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-2020-16255 being exploited?
There is no known exploitation of CVE-2020-16255 in the wild and no public exploit code.
Other vulnerabilities in Owncloud Owncloud
Sources
Also known as ALPINE-CVE-2020-16255, GHSA-686m-27qq-c25w.