CVE-2020-5564 Cross-site scripting in Cybozu Garoon
Remote attackers can inject arbitrary web script or HTML via the E-mail application in Cybozu Garoon, 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
- None listed
What is CVE-2020-5564?
CVE-2020-5564 is a medium-severity cross-site scripting vulnerability in Cybozu Garoon, published on 28 Apr 2020. 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
Cross-site scripting vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote attackers to inject arbitrary web script or HTML via the application 'E-mail'.
Weakness: CWE-79
Which versions are affected by CVE-2020-5564?
It affects 1 product.
Products include Cybozu Garoon.
How do I fix CVE-2020-5564?
No fix has been published for CVE-2020-5564 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-2020-5564 being exploited?
There is no known exploitation of CVE-2020-5564 in the wild and no public exploit code.
Other vulnerabilities in Cybozu Garoon
Sources
Also known as GHSA-v356-mvg5-2vv2.