Low 3.5Published Apr 21, 2026

CVE-2026-6743WebSystems WebTOTUM Calendar cross site scripting

Updated under an hour ago (Oct 26, 2026, 2:20 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for WebSystems WebTOTUM

Exploited in the last 30 days

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.

CVSS: 3.5 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
Weakness (CWE): CWE-79, CWE-94
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

WebSystems WebTOTUM websystems:webtotum (from the name)	2026	CNA record

References

https://vuldb.com/vuln/358434vdb-entry
https://vuldb.com/vuln/358434/ctisignature, permissions-required
https://vuldb.com/submit/794617third-party-advisory
https://olografix.org/acme/WebTOTUM-POC.gifexploit
https://www.websys.eu/gestionale-online-in-cloud-per-pmi-callcenterpatch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.