CVE-2026-103590

EUVD-2026-90438
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
webkulqloapps
𝑥
≤ 1.7.0
CNA
Common Weakness Enumeration
References
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