CVE-2025-54668 Overview
CVE-2025-54668 is a stored Cross-Site Scripting (XSS) vulnerability in the myCred WordPress plugin developed by Saad Iqbal. The flaw affects all versions of myCred up to and including 2.9.4.3. It stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Authenticated attackers with low-privilege access can inject malicious JavaScript that persists in the application and executes in the browsers of other users, including administrators. The vulnerability requires user interaction and can cross security boundaries, enabling session compromise, content manipulation, and further attacks against the WordPress site.
Critical Impact
Authenticated attackers can inject persistent JavaScript that executes in administrator browsers, enabling account takeover and site compromise.
Affected Products
- Saad Iqbal myCred WordPress plugin
- All versions from initial release through 2.9.4.3
- WordPress sites with the myCred plugin installed and activated
Discovery Timeline
- 2025-08-14 - CVE CVE-2025-54668 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-54668
Vulnerability Analysis
The myCred plugin fails to properly sanitize and encode user-controlled input before rendering it within HTML output. This omission allows attackers to store arbitrary JavaScript payloads inside plugin-managed data fields. When another user loads a page that renders the tainted content, the browser interprets the payload as executable script.
Because the payload is stored server-side, exploitation does not require luring victims to attacker-controlled URLs. Any authenticated user with access to affected input surfaces can plant the payload once, and it fires each time the vulnerable page is viewed.
The scope change (S:C) property means script executed in the victim's browser context can affect resources beyond the vulnerable component itself, including WordPress administrative interfaces.
Root Cause
The root cause is missing output encoding and insufficient input validation in the myCred plugin code paths that render user-supplied values. The plugin trusts data written by low-privilege users and echoes it into HTML without applying WordPress escaping helpers such as esc_html(), esc_attr(), or wp_kses().
Attack Vector
An attacker with a low-privileged account submits a crafted payload containing HTML or JavaScript through a myCred input field. The payload is persisted in the WordPress database. When an administrator or other user visits a page that renders the stored value, the injected script executes with the victim's session privileges.
Exploitation can lead to session token theft, forced administrative actions via cross-site request forgery, injection of persistent backdoor accounts, or redirection to malicious external content. Refer to the Patchstack Vulnerability Report for additional technical context.
Detection Methods for CVE-2025-54668
Indicators of Compromise
- Unexpected <script>, <iframe>, or on* event handler attributes stored in myCred-related database tables or post meta.
- Administrator accounts created outside normal provisioning workflows following visits to myCred pages.
- Outbound browser requests from administrator sessions to unfamiliar domains after loading plugin-managed content.
Detection Strategies
- Audit WordPress database tables associated with myCred for HTML tags and JavaScript keywords in stored fields.
- Review web server access logs for POST requests to myCred endpoints containing encoded script fragments such as %3Cscript%3E or javascript:.
- Deploy a Web Application Firewall (WAF) rule set that inspects submitted parameters for XSS payload signatures.
Monitoring Recommendations
- Enable WordPress audit logging to capture user submissions, role changes, and plugin configuration edits.
- Alert on new administrator account creation and modifications to user capabilities.
- Monitor for anomalous JavaScript execution in administrator sessions using Content Security Policy (CSP) violation reports.
How to Mitigate CVE-2025-54668
Immediate Actions Required
- Update the myCred plugin to a version later than 2.9.4.3 as soon as the vendor releases a patched build.
- Restrict which user roles can submit content processed by myCred until the plugin is updated.
- Audit existing myCred-managed data for previously injected payloads and remove any malicious entries.
Patch Information
Refer to the Patchstack Vulnerability Report for current patch availability. The advisory identifies all versions through 2.9.4.3 as affected. Administrators should verify the installed version and apply the vendor-supplied update once released.
Workarounds
- Deactivate the myCred plugin until a fixed version is installed if the plugin is not business-critical.
- Deploy a Content Security Policy (CSP) that blocks inline scripts to reduce the impact of stored XSS.
- Configure a WAF to filter requests containing script tags, event handlers, or javascript: URIs targeting myCred endpoints.
# Configuration example
# Example WordPress CLI check to confirm the installed myCred version
wp plugin get mycred --field=version
# Deactivate the plugin while awaiting a patched release
wp plugin deactivate mycred
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
