CVE-2026-67165 HCL Connections is vulnerable to cross-site scripting (XSS)
An attacker can execute arbitrary script code in a user's browser to steal credentials and compromise accounts 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-2026-67165?
CVE-2026-67165 is a medium-severity cross-site scripting vulnerability in HCLSoftware Connections, published on 13 Oct 2026. 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 is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user which leads to executing malicious script code. This may allow the attacker steal cookie-based authentication credentials and comprise user's account then launch other attacks.
Weakness: CWE-79
Which versions are affected by CVE-2026-67165?
How do I fix CVE-2026-67165?
No fix has been published for CVE-2026-67165 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-2026-67165 being exploited?
There is no known exploitation of CVE-2026-67165 in the wild and no public exploit code.
Sources
Also known as GHSA-ww53-gpx8-hgfh.