# CVE-2026-103587 — Webkul QloApps

> As of 2026-10-01, CVE-2026-103587 is a MEDIUM-severity vulnerability in Webkul QloApps, CVSS v3.1 5.4. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-103587 as of 2026-10-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-01

## What is CVE-2026-103587?

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.

The record classifies CVE-2026-103587 under weakness class [CWE-79](https://intel.threadlinqs.com/cwe/CWE-79). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 5 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.4 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **CVSS v4.0 base score:** 5.1 (`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`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-30, last modified 2026-10-01

## Is CVE-2026-103587 being exploited?

Weaponised exploit code for CVE-2026-103587 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2026/CVE-2026-103587.md) (trickest)

## Affected products and versions

- [Webkul](https://intel.threadlinqs.com/vendors/webkul): QloApps

## How to fix CVE-2026-103587

No vendor patch reference has been recorded for CVE-2026-103587 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-103587

No threat campaign in the Threadlinqs corpus currently references CVE-2026-103587, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-01. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com — issue tracking](https://github.com/Qloapps/QloApps/pull/1884)
- [github.com — patch](https://github.com/Qloapps/QloApps/commit/1d06fd302a935d68203dbdb341d89482621769d7)

**Technical analysis**

- [github.com — technical description](https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php)
- [github.com — technical description (booking rooms)](https://github.com/Qloapps/QloApps/blob/v1.7.0/modules/hotelreservationsystem/views/templates/admin/hotel_rooms_booking/helpers/view/_partials/booking-rooms.tpl)
- [hackmd.io — technical description](https://hackmd.io/@leediay/reflected-xss-qloapps-via-booking-now)
- [hackmd.io — technical description (four reflected xss qloapps)](https://hackmd.io/@leediay/four-reflected-xss-qloapps)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/qloapps-through-1.7.0-reflected-xss-via-book-now-search-parameters)

**Issue tracking and product pages**

- [github.com — product](https://github.com/Qloapps/QloApps)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-103587
Full detection coverage and IOCs for threats exploiting CVE-2026-103587 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp