CVE-2021-27746 Cross-site scripting in "HCL Connections"
Attackers can execute arbitrary scripts in user browsers via reflected XSS in HCL Connections, potentially leading to session hijacking or data theft.
- 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-2021-27746?
CVE-2021-27746 is a medium-severity cross-site scripting vulnerability in "HCL Connections", published on 21 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
"HCL Connections Security Update for Reflected Cross-Site Scripting (XSS) Vulnerability"
Weakness: CWE-79
Which versions are affected by CVE-2021-27746?
It affects 1 product.
Products include Hcltechsw Connections.
How do I fix CVE-2021-27746?
No fix has been published for CVE-2021-27746 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-2021-27746 being exploited?
There is no known exploitation of CVE-2021-27746 in the wild and no public exploit code.
Sources
Also known as GHSA-52x9-rwm6-j2f3.