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CVE-2026-103590— QloApps through 1.7.0 Reflected XSS via Length of Stay Fields

Quick assessment

Affected
Webkul QloApps
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QloApps 1.7.0 及更早版本存在一个反射型跨站脚本（XSS）漏洞，位于后台“房型编辑器”的“最短/最长入住天数”字段中。攻击者可诱导已认证的管理员提交包含恶意载荷的 POST 请求，其中 和 参数被注入恶意脚本，从而在受害管理员的会话中执行任意 JavaScript 代码。

CVSS 5.4 · Medium
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I. Basic Information for CVE-2026-103590

Vulnerability Information
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Vulnerability Title
QloApps through 1.7.0 Reflected XSS via Length of Stay Fields
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Webkul QloApps 0 ~ 1.7.0 -

II. Public POCs for CVE-2026-103590

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III. Intelligence Information for CVE-2026-103590

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Other References for CVE-2026-103590 (5)

Same Patch Batch · Webkul · 2026-09-30 · 4 CVEs total

CVE-2026-103587 5.4 MEDIUM QloApps through 1.7.0 Reflected XSS via Book Now Search Parameters
CVE-2026-103589 5.4 MEDIUM QloApps through 1.7.0 Reflected XSS via Room Type Editor
CVE-2026-103588 5.4 MEDIUM QloApps through 1.7.0 Reflected XSS via exceptions field

IV. Related Vulnerabilities

Same product: QloApps
Same vendor: Webkul
Same weakness: CWE-79

V. Comments for CVE-2026-103590

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