Vulnerability record · CVE-2026-59558 · published 27 July 2026
CVE-2026-59558: Cross-site scripting vulnerability
Unauthenticated Cross Site Scripting (XSS) in Booking Calendar <= 11.4.2 versions.
Description
Unauthenticated Cross Site Scripting (XSS) in Booking Calendar <= 11.4.2 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
References
Track CVE-2026-59558 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2026-59558), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.