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.
References (5)
Core 5
Core References
Third Party Advisory third-party-advisory
Submit #794617 | WebSystems WebTOTUM (2026) Cross Site Scripting
https://vuldb.com/submit/794617
Exploit exploit
https://olografix.org/acme/WebTOTUM-POC.gif
Vdb Entry vdb-entry
VDB-358434 | WebSystems WebTOTUM Calendar cross site scripting
https://vuldb.com/vuln/358434
Signature, Permissions Required signature
permissions-required
VDB-358434 | CTI Indicators (IOB, IOC, TTP)
https://vuldb.com/vuln/358434/cti
Scores
CVSS v3
3.5
EPSS
0.0019
EPSS Percentile
9.3%
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