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