CVE-2024-52452 Overview
CVE-2024-52452 is a reflected Cross-Site Scripting (XSS) vulnerability in the eduNEXT Open edX LMS WordPress plugin. The flaw affects all plugin versions up to and including 2.6.1. Attackers exploit the vulnerability by crafting malicious URLs that, when clicked by an authenticated user, execute arbitrary JavaScript in the victim's browser. The vulnerability falls under [CWE-79] (Improper Neutralization of Input During Web Page Generation).
Critical Impact
Successful exploitation allows attackers to execute arbitrary scripts in a victim's browser, leading to session theft, credential harvesting, or unauthorized actions within the Open edX LMS context.
Affected Products
- eduNEXT Open edX LMS WordPress Plugin versions through 2.6.1
- WordPress installations using the edunext-openedx-integrator plugin
- All sites running vulnerable plugin versions regardless of WordPress core version
Discovery Timeline
- 2024-12-02 - CVE-2024-52452 published to NVD
- 2026-04-28 - Last updated in NVD database
Technical Details for CVE-2024-52452
Vulnerability Analysis
The vulnerability stems from improper neutralization of user-supplied input within the eduNEXT Open edX LMS plugin. The plugin reflects request parameters into HTML responses without proper output encoding or input sanitization. An attacker constructs a URL containing JavaScript payloads in vulnerable parameters. When a victim visits the crafted link, the server reflects the payload into the response page, and the browser executes it within the site's origin.
Reflected XSS requires user interaction, but exploitation remains practical through phishing emails, social media links, or malicious advertising. The scope-changed CVSS classification indicates the attack impacts resources beyond the vulnerable component, such as the user's browser session and authenticated cookies.
Root Cause
The plugin fails to apply WordPress sanitization functions such as esc_html(), esc_attr(), or wp_kses() before echoing request parameters into the response. This omission allows raw HTML and script tags to render in the browser, breaking the trust boundary between server input and client output.
Attack Vector
An attacker crafts a URL targeting a vulnerable parameter on a WordPress site running the eduNEXT Open edX LMS plugin. The attacker delivers the link through phishing, forum posts, or third-party sites. When an authenticated administrator or LMS user clicks the link, the injected JavaScript executes in their browser context. The payload can exfiltrate session cookies, perform actions on behalf of the user, or redirect to attacker-controlled infrastructure.
No verified proof-of-concept code is published. See the PatchStack WordPress Vulnerability Report for additional technical context.
Detection Methods for CVE-2024-52452
Indicators of Compromise
- HTTP requests containing URL-encoded <script>, onerror=, or javascript: payloads targeting plugin endpoints
- Outbound browser requests to unfamiliar domains immediately after a user clicks a referral link to a WordPress LMS page
- Unexpected administrative actions performed by authenticated WordPress users shortly after URL clicks
- Web server access logs showing reflected parameter values containing HTML entities or script syntax
Detection Strategies
- Inspect web application firewall (WAF) logs for requests matching common XSS payload patterns directed at the edunext-openedx-integrator plugin paths
- Review WordPress access logs for query strings containing encoded script tags, event handlers, or data: URIs
- Correlate inbound clicks from external referrers with subsequent privileged actions inside WordPress
Monitoring Recommendations
- Enable Content Security Policy (CSP) reporting to capture blocked inline script execution attempts
- Monitor authentication and session activity for anomalies originating from WordPress administrator accounts
- Alert on plugin endpoints receiving GET parameters that contain HTML metacharacters or encoded JavaScript keywords
How to Mitigate CVE-2024-52452
Immediate Actions Required
- Identify all WordPress sites running the edunext-openedx-integrator plugin and inventory installed versions
- Update the eduNEXT Open edX LMS plugin to a patched release beyond version 2.6.1 once available from the vendor
- Deploy a WAF rule to block requests containing common XSS payload patterns targeting plugin URLs
- Notify LMS administrators and users to avoid clicking unsolicited links referencing the affected site
Patch Information
The affected versions include all releases up to and including 2.6.1. Administrators should consult the PatchStack WordPress Vulnerability Report and the eduNEXT vendor channels for the latest patched version and apply it immediately.
Workarounds
- Temporarily deactivate the eduNEXT Open edX LMS plugin if patching is not feasible
- Restrict access to WordPress administrative interfaces using IP allowlisting or VPN-only access
- Enforce a strict Content Security Policy that disallows inline scripts and limits permitted script sources
- Educate authenticated LMS users on phishing risks and verify URLs before clicking external links
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
