CVE-2026-103590

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 4.0

5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-09-30

Modified

2026-10-01

Record from

the NVD, synced 2026-10-19

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

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