Vulnerability record · CVE-2026-103590 · published 30 September 2026

CVE-2026-103590: Cross-site scripting vulnerability

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office room type editor's length of stay fields. Attackers can induce authenticated administrators to submit crafted POST requests with malicious payloads in restriction_min_los and restriction_max_los parameters, executing arbitrary JavaScript in the victim's administrative session.

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

6References

30 Sep 2026Last modified by NVD

Description

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

Link	Tags
https://github.com/Qloapps/QloApps
https://github.com/Qloapps/QloApps/blob/v1.7.0/admin/themes/default/template/controllers/products/lengthofstay.tpl
https://github.com/Qloapps/QloApps/commit/7ed467d911086b190180d7f297e3b15ba31e82d5
https://github.com/Qloapps/QloApps/pull/1899
https://hackmd.io/@leediay/four-reflected-xss-qloapps
https://www.vulncheck.com/advisories/qloapps-through-1.7.0-reflected-xss-via-length-of-stay-fields

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Source: NIST National Vulnerability Database (record CVE-2026-103590), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.