PatchSiren cyber security CVE debrief

CVE-2026-11392 thimpress CVE debrief

The WP Hotel Booking plugin for WordPress has a Reflected Cross-Site Scripting vulnerability. This vulnerability allows unauthenticated users to inject arbitrary web scripts via the 'check_in_date' and 'check_out_date' parameters in all versions up to, and including, 2.3.1. The vulnerability has a CVSS score of 6.1 and a severity of MEDIUM. Users of the WP Hotel Booking plugin for WordPress should be aware of this vulnerability and take steps to protect themselves.

Vendor: thimpress
Product: WP Hotel Booking
CVSS: MEDIUM 6.1
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-10
Original CVE updated: 2026-07-14
Advisory published: 2026-07-10
Advisory updated: 2026-07-14

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.

Sources and references

Verified primary and authoritative sources

CVE-2026-11392 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-11392

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-11392 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11392

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.1/includes/class-wphb-helpers.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.1/includes/elementor/widgets/archive-room/list-results-room.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.1/includes/wphb-functions.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.1/templates/search/loop.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.1/templates/search/v2/loop-v2.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.2/includes/elementor/widgets/archive-room/list-results-room.php

[email protected]
Source reference
Unverified legacy reference

URL: https://plugins.trac.wordpress.org/browser/wp-hotel-booking/tags/2.3.2/templates/search/loop.php

[email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.