# CVE-2026-103587: QloApps reflected cross-site scripting in Hotel Reservation System

Source: https://junglewise.ai/threats/cve-2026-103587-qloapps-through-1-7-0-contains-a-reflected-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-103587 · Severity: medium · CVSS 5.4 · Published 2026-09-30

QloApps is a free hotel management and reservation system that enables hoteliers to manage bookings and operations. The back-office Book Now search feature contains a reflected cross-site scripting vulnerability where malicious JavaScript can be injected through search parameters. An authenticated administrator who clicks a crafted malicious link could have their session compromised, allowing attackers to perform unauthorized actions within the hotel management system.

Technologies: [QloApps](https://junglewise.ai/threats/technologies/qloapps). Vendors: [QloApps](https://junglewise.ai/threats/vendors/qloapps).

## Quick answers

**Is CVE-2026-103587 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103587 being exploited in the wild.

**How severe is CVE-2026-103587?** Medium severity, with a CVSS score of 5.4, published 30 September 2026.

**Which products and versions are affected?** QloApps through 1.7.0.

**Is there a fix for CVE-2026-103587?** No fixed version is recorded yet. Check the vendor's advisory in the references below. 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-2026-103587 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-103587?** Check whether you run QloApps 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.

## Technical details

The vulnerability is a reflected XSS in the Hotel Reservation System's back-office Book Now search functionality where date_to and id_room_type parameters are copied into template variables without proper validation or encoding. The attack requires the victim to be authenticated as an administrator and to click a malicious link crafted with JavaScript payload in the vulnerable parameters. A fix exists in versions after 1.7.0.

## Affected products

- QloApps QloApps through 1.7.0

## Timeline

- 2026-09-30: disclosed

## References

- [https://github.com/Qloapps/QloApps](https://github.com/Qloapps/QloApps)
- [https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php](https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php)

## Related threats

- [QloApps missing authorization in qlohotelreview AddReview](https://junglewise.ai/threats/cve-2026-116746-qloapps-1-6-0-through-1-7-0-contains-a-missing-authorization)
- [QloApps information disclosure in OrderConfirmationController](https://junglewise.ai/threats/cve-2026-116745-qloapps-through-1-7-0-contains-an-information-disclosure)
- [QloApps insecure direct object reference in refund handling](https://junglewise.ai/threats/cve-2026-115326-qloapps-through-1-7-0-contains-an-insecure-direct-object)
- [QloApps improper access control in AdminSlipController](https://junglewise.ai/threats/cve-2026-110229-qloapps-through-1-7-0-contains-an-improper-access-control)
- [QloApps broken access control in room type creation](https://junglewise.ai/threats/cve-2026-110226-qloapps-through-1-7-0-contains-a-broken-access-control)