CVE-2023-39422: Resortdata Internet Reservation Module Next Generation

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The /irmdata/api/ endpoints exposed by the IRM Next Generation booking engine authenticates requests using HMAC tokens. These tokens are however exposed in a JavaScript file loaded on the client side, thus rendering this extra safety mechanism useless.

Affected products

  • Resortdata Internet Reservation Module Next Generation: affected versions not specified

Published 2023-09-07. Last modified 2026-06-17.