CVE-2026-59558 Details
Description
Unauthenticated Cross Site Scripting (XSS) in Booking Calendar <= 11.4.2 versions.
A cross-site scripting (XSS) vulnerability has been identified in the WordPress Booking Calendar plugin, affecting versions through 11.4.2. This vulnerability allows unauthenticated users to inject malicious scripts that could be executed when other users visit the affected site.
Users of the WordPress Booking Calendar plugin should update to version 11.4.3 or later. Patchstack users can enable auto-update for vulnerable plugins.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 27, 2026CISA-ADP
Assessed Jul 27, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Booking Calendar | <= 11.4.2 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 27, 2026 | CVE Modified | CISA-ADP |
| Jul 27, 2026 | New CVE Received | [email protected] |