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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.

PUBLISHED Reserved 2026-04-21 | Published 2026-04-21 | Updated 2026-04-21 | Assigner VulDB




MEDIUM: 5.1CVSS: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
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C

Problem types

Cross Site Scripting

Code Injection

Product status

2026
affected

Timeline

2026-04-21:Advisory disclosed
2026-04-21:VulDB entry created
2026-04-21:VulDB entry last update

Credits

Andrea Intilangelo finder

acme (VulDB User) reporter

acme (VulDB User) analyst

VulDB CNA Team coordinator

References

vuldb.com/vuln/358434 (VDB-358434 | WebSystems WebTOTUM Calendar cross site scripting) vdb-entry

vuldb.com/vuln/358434/cti (VDB-358434 | CTI Indicators (IOB, IOC, TTP)) signature permissions-required

vuldb.com/submit/794617 (Submit #794617 | WebSystems WebTOTUM (2026) Cross Site Scripting) third-party-advisory

olografix.org/acme/WebTOTUM-POC.gif exploit

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

cve.org (CVE-2026-6743)

nvd.nist.gov (CVE-2026-6743)

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