CVE-2026-88261 Cross-site scripting in xClick
Stored XSS in bizwell xClick allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- 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-2026-88261?
CVE-2026-88261 is a medium-severity cross-site scripting vulnerability in bizwell xClick, published on 15 Sep 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
Improper input validation vulnerability in bizwell xClick allows Stored XSS.
This issue affects xClick: R2, R3, and R3.1.
Weakness: CWE-20
Which versions are affected by CVE-2026-88261?
How do I fix CVE-2026-88261?
No fix has been published for CVE-2026-88261 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-2026-88261 being exploited?
There is no known exploitation of CVE-2026-88261 in the wild and no public exploit code.
Sources
Also known as GHSA-mg8g-x4fv-24jg.