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Vulnerability Database/CVE-2026-110224

CVE-2026-110224: QloApps Reflected XSS Vulnerability

CVE-2026-110224 is a reflected XSS flaw in QloApps that enables attackers to execute malicious JavaScript in administrative sessions. This post explains its impact, affected versions, and mitigation steps.

Published:

CVE-2026-110224 Overview

CVE-2026-110224 is a reflected cross-site scripting (XSS) vulnerability in QloApps through version 1.7.0. The flaw resides in the AdminSearchConfController::processSave() method, which echoes rejected alias and search values unescaped inside validation error messages rendered by alerts.tpl. An attacker can craft a malicious URL or form submission that, when triggered by an authenticated back-office administrator, executes JavaScript in the context of the admin session. This enables session theft, forced actions, and manipulation of hotel booking data accessible to the compromised administrator. The vulnerability is categorized as [CWE-79] Improper Neutralization of Input During Web Page Generation.

Critical Impact

Successful exploitation executes arbitrary JavaScript in an authenticated administrator's browser session, enabling account takeover and back-office data manipulation.

Affected Products

  • QloApps hotel booking and reservation platform
  • QloApps versions up to and including 1.7.0
  • Back-office administrative interface served by AdminSearchConfController

Discovery Timeline

  • 2026-10-13 - CVE-2026-110224 published to NVD
  • 2026-10-13 - Last updated in NVD database

Technical Details for CVE-2026-110224

Vulnerability Analysis

The vulnerability exists in the back-office search configuration workflow. When an administrator submits the search aliases form, AdminSearchConfController::processSave() validates the submitted alias and search fields. If validation fails, the controller constructs an error message that embeds the raw, attacker-controlled input and passes it to alerts.tpl for rendering. Because the template interpolates these strings without HTML escaping, any JavaScript payload supplied in the input is reflected directly into the DOM of the admin page. The browser then parses and executes the injected script under the origin of the administrative interface.

Root Cause

The root cause is missing output encoding at the template layer combined with trust in rejected input. The validation routine in AdminSearchConfController.php lines 328-343 flags invalid aliases but surfaces the offending string verbatim in alerts.tpl lines 35-43. QloApps does not apply Smarty's escape modifier or an equivalent HTML sanitization step on these values before rendering, violating safe output defaults for user-controlled data.

Attack Vector

Exploitation requires an authenticated back-office user to submit a crafted request, typically induced through phishing, a malicious link, or a cross-site request forgery chain. The attacker tricks the administrator into visiting a page that auto-submits a POST request to the search configuration endpoint carrying a JavaScript payload in the alias or search parameter. QloApps rejects the input, re-renders the admin page with the payload embedded in the alert banner, and the browser executes the script in the administrator's session context.

No verified public exploit code is available at this time. For technical details, see the VulnCheck Advisory for QloApps and the QloApps Admin Search Config Code.

Detection Methods for CVE-2026-110224

Indicators of Compromise

  • Web server access logs containing POST requests to AdminSearchConfController with alias or search parameters holding <script>, onerror=, onload=, or javascript: substrings.
  • Referrer headers pointing to untrusted external domains immediately before administrative actions.
  • Unexpected administrative changes such as new admin accounts, modified search aliases, or altered booking configurations following a suspicious session.

Detection Strategies

  • Deploy a web application firewall rule that inspects POST bodies to the QloApps back-office for HTML tags and event-handler attributes in alias and search fields.
  • Review Smarty-rendered responses for reflected input patterns, flagging responses where submitted parameter values appear verbatim in alerts.tpl output.
  • Correlate authenticated admin session activity with outbound requests to unknown hosts that may indicate exfiltration of session cookies.

Monitoring Recommendations

  • Enable verbose access logging on the /admin* paths and retain logs for forensic review.
  • Monitor for anomalous admin logins, session reuse from new IP addresses, and privilege changes within QloApps user management.
  • Alert on repeated 4xx validation errors from AdminSearchConfController that may indicate payload probing.

How to Mitigate CVE-2026-110224

Immediate Actions Required

  • Restrict access to the QloApps back-office interface to trusted IP ranges or a VPN until a fix is applied.
  • Instruct administrators to avoid clicking untrusted links while authenticated to the back-office and to use isolated browser profiles for admin tasks.
  • Audit recent admin activity for unauthorized configuration changes or new accounts.

Patch Information

At publication, no vendor patch has been linked in the NVD entry. Monitor the QloApps GitHub Repository for an updated release beyond 1.7.0 that escapes alias and search values in alerts.tpl or sanitizes them before rendering in AdminSearchConfController::processSave().

Workarounds

  • Apply a local hotfix that wraps reflected variables in alerts.tpl (lines 35-43) with Smarty's |escape:'html' modifier.
  • Add a server-side input filter that rejects HTML metacharacters in the alias and search POST parameters before they reach the validation routine.
  • Deploy a strict Content Security Policy on the /admin path that disallows inline script execution to blunt reflected XSS payloads.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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