CVE-2024-54325 Overview
CVE-2024-54325 is a reflected Cross-Site Scripting (XSS) vulnerability in the DealerTrend CarDealerPress WordPress plugin. The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Affected versions include CarDealerPress from n/a through 6.6.2410.02. An unauthenticated attacker can craft a malicious URL that, when visited by a victim, executes arbitrary JavaScript in the victim's browser session. The vulnerability has an EPSS probability of 0.231% (45.9th percentile), indicating low observed exploitation likelihood, but the network-accessible attack surface and impact on a logged-in administrator make remediation important for dealership sites running the plugin.
Critical Impact
Successful exploitation enables session hijacking, credential theft, and arbitrary actions in the context of an authenticated WordPress user who clicks an attacker-supplied link.
Affected Products
- DealerTrend CarDealerPress WordPress plugin
- All versions up to and including 6.6.2410.02
- WordPress sites hosting the vulnerable plugin
Discovery Timeline
- 2024-12-13 - CVE-2024-54325 published to NVD
- 2026-04-23 - Last updated in NVD database
Technical Details for CVE-2024-54325
Vulnerability Analysis
The CarDealerPress plugin fails to properly sanitize or encode user-controlled parameters before reflecting them into HTTP responses. When a user requests a URL containing attacker-crafted input, the plugin renders that input directly into the resulting HTML page. The browser then parses the injected payload as executable script. Because the issue is reflected rather than stored, exploitation requires user interaction such as clicking a malicious link. The scope-changed CVSS vector indicates that injected script can affect resources beyond the immediate vulnerable component, including authenticated WordPress sessions and connected administrative interfaces.
Root Cause
The root cause is missing output encoding and input validation on request parameters processed by the plugin. WordPress plugins are expected to call escaping functions such as esc_html(), esc_attr(), or wp_kses() before emitting any user-controlled value into the DOM. The plugin omits these protections on at least one request handler, allowing arbitrary HTML and JavaScript to be injected.
Attack Vector
The attack is delivered over the network and requires user interaction. An attacker constructs a URL pointing at a vulnerable CarDealerPress endpoint with a JavaScript payload embedded in a query string. The attacker then distributes the link via phishing email, social media, or a malicious advertisement. When a logged-in administrator clicks the link, the script executes with the privileges of the victim's WordPress session. Typical payloads exfiltrate session cookies, create new administrator accounts, or rewrite plugin settings. No authentication is required on the attacker side.
No verified public proof-of-concept code is available. Refer to the Patchstack WordPress Plugin Advisory for additional technical context.
Detection Methods for CVE-2024-54325
Indicators of Compromise
- HTTP request logs containing <script>, javascript:, onerror=, or URL-encoded equivalents in query strings targeting CarDealerPress endpoints.
- Unexpected outbound connections from administrator browsers to attacker-controlled domains after clicking external links.
- Creation of unrecognized WordPress administrator accounts or modified plugin configuration shortly after suspicious referer activity.
Detection Strategies
- Inspect web server access logs for requests to CarDealerPress URLs containing reflected payloads or HTML special characters in parameters.
- Deploy a Web Application Firewall (WAF) ruleset that flags reflected XSS patterns targeting WordPress plugin paths.
- Correlate referer headers and user-agent strings across administrative actions to identify session abuse following a click-through event.
Monitoring Recommendations
- Enable WordPress audit logging to capture user, role, and option changes with timestamps and source IP.
- Forward web server, WAF, and WordPress audit logs to a centralized SIEM for cross-source correlation.
- Alert on first-seen administrator IP addresses and on JavaScript event handler strings appearing in URL parameters.
How to Mitigate CVE-2024-54325
Immediate Actions Required
- Update CarDealerPress to a version later than 6.6.2410.02 as soon as the vendor publishes a fixed release.
- Restrict WordPress administrator access to known IP ranges using server-level controls or a WAF.
- Force a password reset and invalidate active sessions for all privileged WordPress accounts.
Patch Information
Review the Patchstack WordPress Plugin Advisory for vendor-supplied fix details. The advisory lists 6.6.2410.02 as the last vulnerable version. Apply the patched release through the WordPress plugin manager once available, and verify the installed version under Plugins after the update.
Workarounds
- Deploy a WAF rule that blocks requests containing <, >, or script tokens in parameters handled by CarDealerPress.
- Disable the CarDealerPress plugin until a patched version is installed if the dealership site can tolerate downtime.
- Train administrators to avoid clicking unsolicited links that point to the WordPress site, especially those containing long query strings.
# Example ModSecurity rule to block reflected XSS payloads on plugin paths
SecRule REQUEST_URI "@contains /wp-content/plugins/cardealerpress/" \
"chain,id:1005401,phase:2,deny,status:403,log,msg:'CVE-2024-54325 XSS attempt'"
SecRule ARGS "@rx (?i)(<script|onerror=|javascript:|<svg)" "t:none,t:urlDecodeUni"
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
