Medium severity · published Sep 30, 2026
CVE-2026-103590
QloApps through 1.7.0 Reflected XSS via Length of Stay Fields
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QL
QloApps · Webkul
through 1.7.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103590
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103590
issue-tracking
https://github.com/Qloapps/QloApps/pull/1899
patch
https://github.com/Qloapps/QloApps/commit/7ed467d911086b190180d7f297e3b15ba31e82d5
technical-description
https://github.com/Qloapps/QloApps/blob/v1.7.0/admin/themes/default/template/controllers/products/lengthofstay.tpl
technical-description
https://hackmd.io/@leediay/four-reflected-xss-qloapps
product
https://github.com/Qloapps/QloApps
third-party-advisory
https://www.vulncheck.com/advisories/qloapps-through-1.7.0-reflected-xss-via-length-of-stay-fields
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