CVE-2024-2683: Campcodes Job Finder System XSS Vulnerability

CVE-2024-2683 Overview

CVE-2024-2683 is a reflected cross-site scripting (XSS) vulnerability in Campcodes Online Job Finder System 1.0. The flaw resides in the /admin/company/index.php endpoint, where the view parameter is reflected without proper sanitization. Attackers can inject malicious JavaScript that executes in the browser of an authenticated administrator who follows a crafted link. The vulnerability has been publicly disclosed and is tracked as VulDB entry VDB-257383 [CWE-79].

Critical Impact
Successful exploitation enables script execution in the administrator context, allowing session hijacking, administrative action forgery, and credential theft against the Online Job Finder System backend.

Affected Products

Campcodes Online Job Finder System 1.0
Deployments exposing /admin/company/index.php to untrusted users
Instances where the view GET parameter is reachable by remote attackers

Discovery Timeline

2024-03-20 - CVE-2024-2683 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-2683

Vulnerability Analysis

The vulnerability affects the administrative company management page of Campcodes Online Job Finder System 1.0. The view query parameter supplied to /admin/company/index.php is written back into the HTML response without encoding or filtering. An attacker who tricks an authenticated administrator into visiting a crafted URL causes the browser to parse the injected payload as script.

Because the payload executes within the trusted origin of the application, it inherits the session cookies and privileges of the victim. The classification as reflected XSS matches CWE-79, Improper Neutralization of Input During Web Page Generation. The flaw is remotely exploitable, requires user interaction, and does not require authentication from the attacker side.

Root Cause

The root cause is missing output encoding on the view request parameter inside /admin/company/index.php. The application concatenates attacker-controlled input directly into the HTML response. No context-aware escaping, no Content Security Policy, and no input allowlist exists to constrain the parameter value.

Attack Vector

An attacker crafts a URL to the vulnerable endpoint with a malicious payload in the view parameter and delivers it through phishing, forum posts, or chat messages. When an administrator opens the link in an active session, the payload runs in the admin's browser. Possible outcomes include stealing the session cookie, submitting authenticated requests, defacing admin pages, or pivoting to further browser-based attacks. Public technical details are available in the GitHub Vulnerability Report and the VulDB entry #257383.

Detection Methods for CVE-2024-2683

Indicators of Compromise

Web server access logs showing requests to /admin/company/index.php with view= values containing <script>, onerror=, javascript:, or URL-encoded equivalents such as %3Cscript%3E.
Outbound HTTP requests from administrator browsers to unfamiliar domains shortly after visiting administrative URLs.
Unexpected session activity or administrative actions originating from legitimate admin accounts.

Detection Strategies

Inspect HTTP request logs for the view parameter containing HTML tags, event handlers, or encoded script syntax.
Deploy a web application firewall (WAF) rule that flags reflected XSS signatures on /admin/company/* endpoints.
Use browser-side Content Security Policy (CSP) reporting to capture violations caused by injected inline scripts.

Monitoring Recommendations

Alert on repeated access to administrative URLs from external referrers or newly registered domains.
Correlate admin session cookie usage against unexpected source IP addresses or user-agent changes.
Review audit trails in the Online Job Finder System for administrative changes that lack a corresponding legitimate login event.

How to Mitigate CVE-2024-2683

Immediate Actions Required

Restrict access to /admin/* paths to trusted IP ranges or a VPN until a patch is applied.
Invalidate all active administrator sessions and rotate credentials for accounts that may have followed suspicious links.
Educate administrators to avoid clicking unsolicited links referencing the application.

Patch Information

No vendor patch is listed in the NVD advisory or public references for Campcodes Online Job Finder System 1.0. Operators should monitor the Campcodes product page for updates and consider replacing or forking the application to apply source-level fixes. At minimum, add HTML-context output encoding to every use of the view parameter in /admin/company/index.php.

Workarounds

Apply a reverse-proxy or WAF rule that rejects requests to /admin/company/index.php whose view parameter contains <, >, ", ', or %3C.
Enforce a strict Content Security Policy that disallows inline scripts and limits script sources to the application origin.
Set the HttpOnly and Secure flags, plus SameSite=Strict, on administrative session cookies to limit cookie theft via injected scripts.

bash

# Example ModSecurity rule to block reflected XSS payloads on the vulnerable endpoint
SecRule REQUEST_URI "@beginsWith /admin/company/index.php" \
  "id:1002683,phase:2,deny,status:403,log,msg:'CVE-2024-2683 XSS attempt',\
   chain"
  SecRule ARGS:view "@rx (?i)(<script|onerror=|javascript:|%3Cscript)" \
    "t:none,t:urlDecodeUni"