CVE-2024-2680: Campcodes Job Finder System XSS Vulnerability

CVE-2024-2680 Overview

CVE-2024-2680 is a reflected cross-site scripting (XSS) vulnerability [CWE-79] in Campcodes Online Job Finder System 1.0. The flaw resides in the /admin/user/index.php script, where the view request parameter is reflected into HTML output without proper encoding. An unauthenticated remote attacker can craft a URL that injects arbitrary JavaScript into the administrator's browser session. The exploit has been publicly disclosed under VulDB identifier 257380.

Critical Impact
Attackers can execute arbitrary script in the context of an administrator's browser, enabling session hijacking, credential theft, and unauthorized actions against the Online Job Finder administrative interface.

Affected Products

Campcodes Online Job Finder System 1.0
Deployments exposing /admin/user/index.php to untrusted networks
Any downstream copies or forks reusing the vulnerable view parameter handling

Discovery Timeline

2024-03-20 - CVE-2024-2680 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in the NVD database

Technical Details for CVE-2024-2680

Vulnerability Analysis

The vulnerability is a reflected cross-site scripting issue in the administrative user management page of Campcodes Online Job Finder System 1.0. The view GET parameter accepted by /admin/user/index.php is echoed back to the response without HTML entity encoding or output sanitization. When an authenticated administrator loads a crafted link, the injected payload executes inside the trusted origin of the application.

Because the payload runs in the administrator's browser context, attackers can steal session cookies, read privileged data rendered on the page, and issue requests to backend endpoints on the victim's behalf. User interaction is required, typically through a phishing link or a link embedded in attacker-controlled content that the administrator visits.

Additional technical details are documented in the GitHub Vulnerability Report and the VulDB entry #257380.

Root Cause

The root cause is missing input validation and missing output encoding on the view parameter. The application concatenates the parameter value into HTML markup rather than passing it through a context-aware encoder such as htmlspecialchars(). There is no server-side allowlist of expected view values, so any string is accepted and reflected.

Attack Vector

An attacker crafts a URL that appends a malicious view parameter containing JavaScript to /admin/user/index.php. The attacker then delivers the URL to an authenticated administrator through phishing, chat, or embedded content. When the administrator opens the link, the browser renders the injected script within the application origin, granting the attacker access to session tokens and Document Object Model (DOM) content.

No authentication is required to craft the payload, but exploitation succeeds only when a privileged user visits the URL and an active session exists.

Detection Methods for CVE-2024-2680

Indicators of Compromise

Web server access logs showing requests to /admin/user/index.php with a view parameter containing <script, onerror=, onload=, javascript:, or URL-encoded equivalents such as %3Cscript%3E.
Referer headers pointing to unfamiliar external domains preceding administrator sessions.
Unexpected outbound requests from admin browsers to attacker-controlled hosts shortly after loading the admin panel.

Detection Strategies

Deploy a web application firewall (WAF) rule that inspects the view query parameter for HTML tags, event handlers, and script-scheme URIs.
Enable logging of full query strings on the web server and alert on payload patterns typical of reflected XSS.
Correlate administrative session activity with anomalous URL parameters to identify targeted phishing against admin accounts.

Monitoring Recommendations

Monitor endpoint telemetry for browser processes spawning unusual child processes or making unexpected network connections after visits to the admin panel.
Track authentication events and session token reuse from geographically inconsistent locations following suspected XSS delivery.
Ingest web server and WAF logs into a centralized analytics platform to enable retroactive hunting for the vulnerable parameter pattern.

How to Mitigate CVE-2024-2680

Immediate Actions Required

Restrict access to /admin/user/index.php to trusted management networks or VPN users until a fix is applied.
Deploy a WAF rule that blocks requests where the view parameter contains HTML tags, script schemes, or event handler attributes.
Enforce a strict Content Security Policy (CSP) that disallows inline scripts and restricts script sources to trusted origins.
Rotate administrator credentials and invalidate active sessions if suspicious view parameter activity is observed.

Patch Information

No vendor patch is listed in the enriched CVE data or in the published references. Organizations running Campcodes Online Job Finder System 1.0 should monitor the vendor for updates and consider retiring the application if a security-supported version is not available. Refer to the VulDB CTII entry #257380 for tracking updates.

Workarounds

Apply server-side output encoding to the view parameter by wrapping reflected values in htmlspecialchars($value, ENT_QUOTES, 'UTF-8') before rendering.
Implement an allowlist of accepted view values and reject requests containing any other input.
Set the HttpOnly and Secure flags on session cookies to reduce the impact of successful script execution.
Require administrators to access the panel through an authenticated reverse proxy that strips or validates query parameters.

bash

# Example ModSecurity rule to block script payloads in the vulnerable parameter
SecRule ARGS:view "@rx (?i)(<script|onerror=|onload=|javascript:|%3Cscript)" \
    "id:1002680,phase:2,deny,status:403,\
    msg:'CVE-2024-2680 Reflected XSS attempt in Online Job Finder view parameter',\
    logdata:'Payload: %{MATCHED_VAR}'"