# CVE-2026-39784: Hotel Booking plugin unauthenticated cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-39784-unauthenticated-cross-site-scripting-xss-in-hotel-booking-3-8  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-39784 · Severity: high · CVSS 7.1 · Published 2026-10-06

The Hotel Booking WordPress plugin is vulnerable to cross-site scripting (XSS), allowing attackers to inject malicious scripts into websites without authentication. Successful attacks could lead to visitor data theft or account hijacking. The vulnerability affects versions 3.8 and earlier, with no official patch currently available.

Technologies: [Nd-Booking Hotel Booking](https://junglewise.ai/threats/technologies/nd-booking-hotel-booking). Vendors: [Nd-Booking](https://junglewise.ai/threats/vendors/nd-booking).

## Quick answers

**Is CVE-2026-39784 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39784 being exploited in the wild.

**How severe is CVE-2026-39784?** High severity, with a CVSS score of 7.1, published 6 October 2026.

**Which products and versions are affected?** Nd-Booking Hotel Booking <= 3.8.

**Is there a fix for CVE-2026-39784?** No fixed version is recorded yet. Apply Patchstack's mitigation rule to block attacks until an official patch becomes available. Update the plugin as soon as an official patch is released. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-39784 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-39784?** Check whether you run Nd-Booking Hotel Booking at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix


Apply Patchstack's mitigation rule to block attacks until an official patch becomes available. Update the plugin as soon as an official patch is released.

## Technical details

An unauthenticated cross-site scripting vulnerability exists in Hotel Booking plugin versions 3.8 and below. While the vulnerability can be initiated by an unauthenticated attacker, successful exploitation requires user interaction such as clicking a malicious link or visiting a crafted page. The injected scripts execute in the context of affected visitors' browsers, enabling credential theft or session hijacking.

## Affected products

- nd-booking Hotel Booking <= 3.8

## Timeline

- 2026-10-06: disclosed
- 2026-10-05: advisory: Patchstack published security advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/nd-booking/vulnerability/wordpress-hotel-booking-plugin-3-8-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/nd-booking/vulnerability/wordpress-hotel-booking-plugin-3-8-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [Hotel Booking WordPress plugin IDOR in booking details](https://junglewise.ai/threats/cve-2026-84167-the-hotel-booking-wordpress-plugin-through-3-8-does-not-verify)
- [Hotel Booking WordPress plugin CSRF in booking order management](https://junglewise.ai/threats/cve-2026-84166-the-hotel-booking-wordpress-plugin-through-3-8-does-not-implement)