CVE-2021-37403 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in victim browsers via malicious sharing links, potentially leading to session hijacking or data theft.
- 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-2021-37403?
CVE-2021-37403 is a medium-severity cross-site scripting vulnerability in Open-Xchange Open-Xchange Appsuite, published on 22 Jul 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
OX App Suite before 7.10.3-rev32 and 7.10.4 before 7.10.4-rev18 allows XSS via a code snippet (user-generated content) when a sharing link is created and an App Loader relative URL is used.
Weakness: CWE-79
Which versions are affected by CVE-2021-37403?
It affects 1 product.
Products include Open-Xchange Open-Xchange Appsuite.
How do I fix CVE-2021-37403?
No fix has been published for CVE-2021-37403 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-2021-37403 being exploited?
There is no known exploitation of CVE-2021-37403 in the wild and no public exploit code.
Other vulnerabilities in Open-Xchange Open-Xchange Appsuite
Sources
Also known as GHSA-xfff-cfmp-p8vp.