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.

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.

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

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. 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

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