CVE-2021-20628 Cross-site scripting in Cybozu Office
Remote attackers can inject arbitrary scripts into the Address Book feature of Cybozu Office, potentially compromising user sessions.
- 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-2021-20628?
CVE-2021-20628 is a medium-severity cross-site scripting vulnerability in Cybozu Office, published on 18 Mar 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
Cross-site scripting vulnerability in Address Book of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors. Note that this vulnerability occurs only when using Mozilla Firefox.
Weakness: CWE-79
Which versions are affected by CVE-2021-20628?
It affects 1 product.
Products include Cybozu Office.
How do I fix CVE-2021-20628?
No fix has been published for CVE-2021-20628 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-2021-20628 being exploited?
There is no known exploitation of CVE-2021-20628 in the wild and no public exploit code.
Other vulnerabilities in Cybozu Office
Sources
Also known as GHSA-6g4q-mgfw-5mhv.