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Vulnerability record · CVE-2026-103587 · published 30 September 2026

CVE-2026-103587: Cross-site scripting vulnerability

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office Hotel Reservation System Book Now search, where date_to and id_room_type parameters are copied into template variables without validation. Attackers can craft a malicious link containing JavaScript payload in these parameters that executes in an authenticated administrator's session when the victim follows the link.

5.1 CVSS 4.0 Medium CWE-79 · Cross-site scripting Deferred
5.1CVSS 4.0 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
30 Sep 2026Last modified by NVD

Description

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office Hotel Reservation System Book Now search, where date_to and id_room_type parameters are copied into template variables without validation. Attackers can craft a malicious link containing JavaScript payload in these parameters that executes in an authenticated administrator's session when the victim follows the link.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/Qloapps/QloApps
https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingCo
https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/views/templates/admin/hotel_rooms_booking/
https://github.com/Qloapps/QloApps/commit/1d06fd302a935d68203dbdb341d89482621769d7
https://github.com/Qloapps/QloApps/pull/1884
https://hackmd.io/@leediay/four-reflected-xss-qloapps
https://hackmd.io/@leediay/reflected-xss-qloapps-via-booking-now
https://www.vulncheck.com/advisories/qloapps-through-1.7.0-reflected-xss-via-book-now-search-parameters

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Source: NIST National Vulnerability Database (record CVE-2026-103587), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.