CVE-2026-11392 thimpress CVE debrief

Who should care

Users of the WP Hotel Booking plugin for WordPress, particularly those with administrative privileges, should be aware of this vulnerability and take steps to protect themselves. This includes updating the plugin to the latest version, implementing input validation and output encoding, and monitoring for suspicious activity.

Technical summary

The WP Hotel Booking plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'check_in_date' and 'check_out_date' parameters in all versions up to, and including, 2.3.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Defensive priority

Medium

Recommended defensive actions

• Update the WP Hotel Booking plugin to the latest version
• Implement input validation and output encoding
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-10T04:17:35.223Z and was last modified on 2026-07-10T15:43:30.330Z. The WP Hotel Booking plugin for WordPress has a Reflected Cross-Site Scripting vulnerability via the 'check_in_date' and 'check_out_date' parameters in all versions up to, and including, 2.3.1 due to insufficient input sanitization and output escaping. This vulnerability allows unauthenticated users to inject arbitrary web scripts. Evidence is limited to public CVE and NVD details.

Official resources