CVE-2024-1822: PHPGurukul Tourism Management System XSS

CVE-2024-1822 Overview

CVE-2024-1822 is a reflected cross-site scripting (XSS) vulnerability in PHPGurukul Tourism Management System 1.0. The flaw resides in the user-bookings.php script, where the Full Name parameter is rendered without proper output encoding. An attacker can inject arbitrary JavaScript that executes in the victim's browser session after user interaction.

The issue is tracked as VulDB identifier VDB-254610 and is categorized under [CWE-79] Improper Neutralization of Input During Web Page Generation. Exploit details have been publicly disclosed, increasing the risk of opportunistic attacks against unpatched deployments.

Critical Impact
Successful exploitation lets attackers execute script in the context of an authenticated user's session, enabling credential theft, session hijacking, and unauthorized actions within the booking application.

Affected Products

PHPGurukul Tourism Management System 1.0
Deployments exposing user-bookings.php to untrusted users
Any downstream customization built on the vulnerable 1.0 codebase

Discovery Timeline

2024-02-23 - CVE-2024-1822 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-1822

Vulnerability Analysis

The vulnerability stems from unsanitized user input processed by user-bookings.php. The application accepts the Full Name field from the client and echoes it back into the rendered HTML response without contextual encoding. Attackers craft a payload containing HTML or JavaScript that the browser parses as executable content.

Because the attack vector is network-based and requires only limited user interaction, an adversary can deliver a malicious link through phishing or third-party sites. When the victim visits the crafted URL while authenticated, the injected script runs with the privileges of that browser session.

The scope is changed under the CVSS calculation because injected script executes outside the vulnerable component's original security context. Both confidentiality and integrity are impacted at a low level, primarily through session data exposure and unauthorized DOM manipulation.

Root Cause

The root cause is missing output encoding on the Full Name parameter before it is embedded in HTML. PHPGurukul's booking view does not apply functions such as htmlspecialchars() or a templated escaping layer. The absence of a Content Security Policy (CSP) further removes a browser-level mitigation that could contain injected script.

Attack Vector

An attacker submits a crafted Full Name value containing a script payload. When any user, including administrators, loads the resulting booking view, the browser interprets the injected markup and executes attacker-controlled JavaScript. Typical payloads target session cookies, form data, or trigger cross-site request forgery against administrative endpoints.

Detailed proof-of-concept material is referenced through the VulDB entry #254610 and the associated technical writeup.

Detection Methods for CVE-2024-1822

Indicators of Compromise

HTTP requests to user-bookings.php containing <script>, onerror=, onload=, or URL-encoded equivalents in the Full Name parameter
Booking records in the backend database whose full-name field contains HTML tags or JavaScript event handlers
Outbound browser requests to unfamiliar domains originating from users viewing the bookings page

Detection Strategies

Deploy a web application firewall (WAF) ruleset that inspects POST and GET parameters for XSS payload patterns targeting user-bookings.php
Enable verbose HTTP request logging on the web server and alert on payloads matching common XSS signatures
Review application audit logs for booking submissions that contain non-alphabetic characters in name fields

Monitoring Recommendations

Correlate anomalous session activity, such as unexpected privilege actions, with recent visits to booking pages
Monitor for repeated failed input validation events or WAF blocks tied to the same source IP
Track database rows in the bookings table for stored payloads that could indicate persistence attempts

How to Mitigate CVE-2024-1822

Immediate Actions Required

Restrict access to the Tourism Management System from the public internet until remediation is complete
Apply strict input validation on the Full Name field, allowing only expected character classes
Deploy a WAF rule to block requests containing script tags or JavaScript event handlers targeting user-bookings.php

Patch Information

No vendor patch has been published in the referenced advisories at the time of writing. Administrators should monitor PHPGurukul for updates and review the VulDB CTI entry #254610 for tracking.

Workarounds

Wrap all rendered user input with htmlspecialchars($value, ENT_QUOTES, 'UTF-8') before output
Implement a Content Security Policy that disallows inline scripts and restricts script sources
Set session cookies with HttpOnly and Secure flags to reduce the impact of successful script execution

bash

# Example Apache Content Security Policy header
Header always set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'"
Header always set X-XSS-Protection "1; mode=block"
Header always set X-Content-Type-Options "nosniff"