CVE-2020-4084 Cross-site scripting in HCL Connections
Attackers can inject JavaScript into the web interface to steal user credentials and alter functionality in HCL Connections.
- 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-2020-4084?
CVE-2020-4084 is a medium-severity cross-site scripting vulnerability in HCL Connections, published on 9 Mar 2020. 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 v5.5, v6.0, and v6.5 are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Weakness: CWE-79
Which versions are affected by CVE-2020-4084?
It affects 1 product.
Products include Hcltech Connections.
How do I fix CVE-2020-4084?
No fix has been published for CVE-2020-4084 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-2020-4084 being exploited?
There is no known exploitation of CVE-2020-4084 in the wild and no public exploit code.
Other vulnerabilities in HCL Connections
- CVE-2020-4085 Information disclosure in "HCL Connections"
- CVE-2019-4209 Open redirect in HCL Connections
- CVE-2023-28018 HCL Connections s vulnerable to possible denial of service for certain users
- CVE-2020-4083 Information disclosure in "HCL Connections"
- CVE-2026-21788 HCL Connections is vulnerable to cross-site scripting (XSS)
Sources
Also known as GHSA-hmp7-w6rh-f63p.