CVE-2026-2337 Refleccted XSS on Plunet BusinessManager
Reflected XSS in Plunet BusinessManager allows attackers to hijack sessions, steal data, and perform unauthorized actions.
- 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-2026-2337?
CVE-2026-2337 is a high-severity cross-site scripting vulnerability in Plunet BusinessManager, published on 11 Feb 2026. 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
A vulnerability in Plunet Plunet BusinessManager allows session hijacking, data theft, unauthorized actions on behalf of the user.This issue affects Plunet BusinessManager: 10.15.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-2337?
How do I fix CVE-2026-2337?
No fix has been published for CVE-2026-2337 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-2026-2337 being exploited?
There is no known exploitation of CVE-2026-2337 in the wild and no public exploit code.
Sources
Also known as GHSA-wcq7-39gh-x6jv.