CVE-2026-6743

LOW

WebSystems WebTOTUM Calendar cross site scripting

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 3.5
EPSS 0.0003
EPSS Percentile 8.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79 CWE-94
Status published
Products (1)
WebSystems/WebTOTUM 2026
Published Apr 21, 2026
Tracked Since Apr 21, 2026