Vulnerability · Published Sep 15, 2026 · Assigned by FSI

CVE-2026-88261

Medium 5.1

In plain English

A medium-severity improper input validation in xClick from bizwell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium

Exploit odds (30 days)0.4%top 68.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Improper input validation vulnerability in bizwell xClick allows Stored XSS. This issue affects xClick: R2, R3, and R3.1.

Affected products (as reported)

Vendor	Product	Versions
bizwell	xClick	R2R3R3.1

Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References

https://www.bizwell.net/solutions/groupware