CVE-2026-6743CWE-79CWE-94

WebSystems WebTOTUM Calendar cross site scripting

Medium · published April 21, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
25.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00331 · 25.0th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-04-21T16:30Z
EPSS history
Timeline
  • 21 APR 16:30Z
    WebSystems WebTOTUM Calendar cross site scripting
    cvelistv5