CVE-2017-2256 Cross-site scripting in Cybozu Garoon
Attackers can inject arbitrary scripts via the Memo rich text function, potentially compromising user sessions or data.
- 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-2017-2256?
CVE-2017-2256 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 3.0.0 to 4.2.5 allows an attacker to inject arbitrary web script or HTML via "Rich text" function of the application "Memo".
Weakness: CWE-79
Which versions are affected by CVE-2017-2256?
It affects 1 product.
Products include Cybozu Garoon.
How do I fix CVE-2017-2256?
No fix has been published for CVE-2017-2256 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-2017-2256 being exploited?
There is no known exploitation of CVE-2017-2256 in the wild and no public exploit code.
Other vulnerabilities in Cybozu Garoon
Sources
Also known as GHSA-2mmx-452m-3qmq.