CVE-2026-6743 is a cross-site scripting (XSS) vulnerability in the Calendar component of WebSystems WebTOTUM 2026. The vulnerability affects an undetermined function within this component and allows remote attackers to inject malicious scripts. The vulnerability carries a CVSS score of 3.5 (LOW severity) with a network-based attack vector requiring low complexity and user interaction. The attack requires valid login credentials and user action to execute, resulting in limited impact to integrity with no confidentiality or availability compromise. The FAUCET Risk Score of 36.0 indicates below-average risk in the broader threat landscape. The vulnerability has been publicly disclosed and proof-of-concept code is available, placing it on the Hot List for active monitoring. However, it is not currently listed on CISA's Known Exploited Vulnerabilities catalog. The vendor responded promptly with professional remediation, releasing a patched version. Organizations should prioritize upgrading to the fixed version to eliminate this exposure, though the low severity and requirement for authentication limit immediate tactical risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| WebSystems | WebTOTUM | 2026CNA affected |
CVSS version used by this source: 4.0
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.