CVE-2026-6743

Low

Description

A vulnerability has been found in WebSystems WebTOTUM 2026. This impacts an unknown function of the component Calendar. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

SeverityLow

CVSS3.5

Exploit probability—

ProductWebTOTUM

PublishedApr 21, 2026

First seenApr 21, 2026

Weakness typeCWE-79Cross-site scripting (XSS)CWE-94Code injection

How to fix

Patches

websys.eu/gestionale-online-in-cloud-per-pmi-callcenter

Affected products

Product	Affected versions	Fixed in
WebSystems WebTOTUM	2026	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.