CVE-2023-39422

9.8 criticalEPSS 0.4%

Critical (9.8) in resortdata internet reservation module next generation. 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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2023-09-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

resortdata:internet_reservation_module_next_generation

References

https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained
https://bitdefender.com/blog/labs/check-out-with-extra-charges-vulnerabilities-in-hotel-booking-engine-explained

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