CVE-2017-2255 Cross-site scripting in Cybozu Garoon
An attacker can inject arbitrary web script or HTML via the Rich text function in the Space application, potentially leading to session hijacking or malicious actions.
- 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-2017-2255?
CVE-2017-2255 is a medium-severity cross-site scripting vulnerability in Cybozu Garoon, published on 28 Aug 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in Cybozu Garoon 3.7.0 to 4.2.5 allows an attacker to inject arbitrary web script or HTML via "Rich text" function of the application "Space".
Weakness: CWE-79
Which versions are affected by CVE-2017-2255?
It affects 1 product.
Products include Cybozu Garoon.
How do I fix CVE-2017-2255?
No fix has been published for CVE-2017-2255 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-2017-2255 being exploited?
There is no known exploitation of CVE-2017-2255 in the wild and no public exploit code.
Other vulnerabilities in Cybozu Garoon
Sources
Also known as GHSA-9jr9-v4vv-jh2h.