CVE-2024-48744: Teachers Record Management System XSS Flaw

CVE-2024-48744 Overview

CVE-2024-48744 is a reflected Cross-Site Scripting (XSS) vulnerability in PHPGurukul Teachers Record Management System version 2.1. The flaw resides in the /trms/listed-teachers.php endpoint, which fails to sanitize the searchinput POST parameter before reflecting it into the HTTP response. Remote attackers can craft malicious links or forms that execute arbitrary JavaScript in a victim's browser session. Successful exploitation requires user interaction, typically through a phishing link or attacker-controlled page that submits the crafted request.

Critical Impact
Attackers can execute arbitrary script in an authenticated administrator's browser, leading to session theft, credential harvesting, and unauthorized actions within the Teachers Record Management System.

Affected Products

PHPGurukul Teachers Record Management System version 2.1
Vulnerable endpoint: /trms/listed-teachers.php
Vulnerable parameter: searchinput (POST)

Discovery Timeline

2024-10-16 - CVE-2024-48744 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-48744

Vulnerability Analysis

The vulnerability is a reflected XSS flaw classified under [CWE-94] (Improper Control of Generation of Code). The listed-teachers.php script receives the searchinput value from a POST request and embeds the raw value into the rendered HTML response without applying output encoding or input filtering. When an authenticated user submits a request containing HTML or JavaScript payloads, the browser parses and executes the injected markup within the origin of the vulnerable application.

Because the application handles teacher records and administrative operations, script execution occurs in the security context of the logged-in user. This allows attackers to hijack sessions, exfiltrate cookies, manipulate the DOM, or perform actions on behalf of the victim. The attack requires user interaction, and the changed scope indicates the impact can extend beyond the vulnerable component to other browser contexts.

Root Cause

The root cause is missing input validation and output encoding on the searchinput POST parameter. The application concatenates user-supplied data directly into HTML output without applying context-aware escaping such as htmlspecialchars() in PHP. There is no allow-list validation, character filtering, or Content Security Policy (CSP) fallback to constrain script execution.

Attack Vector

Exploitation requires the attacker to deliver a crafted request to an authenticated user. The typical delivery method is a phishing email containing a link to an attacker-hosted page that auto-submits a POST form to /trms/listed-teachers.php with a malicious searchinput payload. The reflected response executes the payload in the victim's browser. Refer to the PHPGurukul CVE Write-up for the documented proof-of-concept payload and reproduction steps.

No verified exploit code is publicly available in ExploitDB, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. The EPSS probability is 0.416%.

Detection Methods for CVE-2024-48744

Indicators of Compromise

POST requests to /trms/listed-teachers.php containing HTML tags, JavaScript event handlers, or URL-encoded script payloads in the searchinput parameter.
Web server access log entries with encoded characters such as %3Cscript%3E, onerror=, onload=, or javascript: in the request body.
Unexpected outbound requests from administrator browsers to unknown external domains shortly after visiting the application.
Session cookies appearing in web server referrer logs of unrelated external hosts.

Detection Strategies

Deploy a web application firewall (WAF) with signature rules targeting reflected XSS payloads on the searchinput parameter.
Enable verbose HTTP request logging on the PHP application server and alert on requests containing suspicious HTML or script tokens.
Correlate anomalous administrator session activity with recent search requests to /trms/listed-teachers.php.

Monitoring Recommendations

Monitor for repeated failed or unusual POST requests to the vulnerable endpoint from single source IP addresses.
Track browser telemetry for administrators accessing the Teachers Record Management System, including new browser processes or unexpected script execution.
Review authentication and session logs for concurrent sessions or session identifiers used from geographically distant IP addresses.

How to Mitigate CVE-2024-48744

Immediate Actions Required

Restrict access to the /trms/listed-teachers.php endpoint to trusted internal networks or VPN connections until a patch is applied.
Advise administrators to avoid clicking untrusted links while authenticated to the Teachers Record Management System.
Deploy a WAF rule that blocks HTML and script metacharacters in the searchinput POST parameter.
Enforce a strict Content Security Policy (CSP) header to limit inline script execution across the application.

Patch Information

No official vendor patch has been referenced in the NVD advisory for CVE-2024-48744. Organizations running PHPGurukul Teachers Record Management System v2.1 should monitor the vendor project page for updates and apply source-level fixes by sanitizing the searchinput parameter with htmlspecialchars($input, ENT_QUOTES, 'UTF-8') before rendering it in HTML output.

Workarounds

Modify listed-teachers.php to apply htmlspecialchars() or filter_input() with FILTER_SANITIZE_SPECIAL_CHARS on the searchinput parameter before echoing it.
Add a Content-Security-Policy response header such as default-src 'self'; script-src 'self' to prevent execution of injected inline scripts.
Configure the session cookie with HttpOnly and Secure flags to reduce the impact of cookie theft via XSS.
Consider retiring the application in production environments if the vendor does not release a security fix.

bash

# Example Apache configuration to enforce CSP and secure cookies
Header always set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header always edit Set-Cookie ^(.*)$ $1;HttpOnly;Secure;SameSite=Strict