CVE-2021-40864 Cross-site scripting in n/a
An attacker can execute arbitrary scripts in the ONLYOFFICE Document Server Translate plugin due to missing input escaping.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-40864?
CVE-2021-40864 is a critical cross-site scripting vulnerability in n/a, published on 10 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Translate plugin 6.1.x through 6.3.x before 6.3.0.72 for ONLYOFFICE Document Server lacks escape calls for the msg.data and text fields.
Which versions are affected by CVE-2021-40864?
It affects 1 product.
Products include Onlyoffice Google Translate.
How do I fix CVE-2021-40864?
No fix has been published for CVE-2021-40864 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-2021-40864 being exploited?
There is no known exploitation of CVE-2021-40864 in the wild and no public exploit code.
Sources
Also known as GHSA-q9j4-589p-rv63.