CVE-2025-58915 Overview
CVE-2025-58915 is a stored Cross-Site Scripting (XSS) vulnerability in the emarket-design Request a Quote WordPress plugin. The flaw results from improper neutralization of user-supplied input during web page generation [CWE-79]. All versions through 2.5.0 are affected. An authenticated attacker with low privileges can inject malicious JavaScript that persists in the application and executes in the browsers of users who view the affected pages. The vulnerability requires user interaction and crosses a security scope boundary, enabling impact against the integrity, confidentiality, and availability of victim sessions.
Critical Impact
Attackers can store malicious scripts that execute in administrators' browsers, enabling session theft, account takeover, and unauthorized actions within the WordPress site.
Affected Products
- emarket-design Request a Quote plugin for WordPress
- Versions from n/a through <= 2.5.0
- WordPress sites running the vulnerable plugin
Discovery Timeline
- 2025-09-23 - CVE-2025-58915 published to the National Vulnerability Database
- 2026-10-05 - Last updated in NVD database
Technical Details for CVE-2025-58915
Vulnerability Analysis
The Request a Quote plugin fails to sanitize and escape user-controlled input before rendering it in HTML output. This produces a stored XSS condition classified under [CWE-79]. An authenticated attacker submits input containing script payloads through a form field or configuration setting exposed by the plugin. The payload is persisted in the WordPress database and later served in page markup without encoding.
When a privileged user, such as an administrator reviewing quote requests, loads the affected page, the browser parses and executes the injected JavaScript. The payload runs within the origin of the WordPress site, inheriting the victim's authenticated session.
Root Cause
The root cause is missing output encoding and insufficient input validation on fields processed by the plugin. The plugin writes attacker-controlled values directly into HTML contexts without applying WordPress sanitization functions such as esc_html(), esc_attr(), or wp_kses_post(). This allows HTML and JavaScript tokens in input to be interpreted by the browser as code rather than data.
Attack Vector
Exploitation requires network access to the WordPress site and low-privileged authentication. The attacker submits a crafted request containing a JavaScript payload through a plugin-exposed input. A second user must then view the stored content for the payload to fire, satisfying the user interaction requirement. Because the attack crosses a scope boundary, the executed script can act on behalf of higher-privileged users and alter site state beyond the attacker's own permissions. Refer to the Patchstack advisory for additional technical context.
Detection Methods for CVE-2025-58915
Indicators of Compromise
- Database entries in plugin tables or wp_options containing <script> tags, onerror=, onload=, or javascript: URIs
- Unexpected administrator account creation or role changes following quote submissions
- Outbound requests from administrator browsers to attacker-controlled domains shortly after viewing quote-related admin pages
- Modified plugin or theme files altered through authenticated admin sessions without a change record
Detection Strategies
- Audit stored quote requests and plugin configuration fields for HTML and JavaScript tokens that should not appear in text input
- Review web server access logs for POST requests to Request a Quote endpoints containing encoded script fragments
- Monitor for anomalous administrator session activity originating from unusual IP addresses or user agents
Monitoring Recommendations
- Enable WordPress audit logging for plugin option changes, user role modifications, and content edits
- Deploy a Web Application Firewall (WAF) rule set that flags script tags and event handler attributes in form submissions
- Alert on egress traffic from administrator workstations to newly registered or low-reputation domains
How to Mitigate CVE-2025-58915
Immediate Actions Required
- Identify all WordPress sites running the Request a Quote plugin at version 2.5.0 or earlier
- Deactivate the plugin until a patched version is installed if the site handles sensitive quote data
- Rotate administrator credentials and invalidate active sessions if stored XSS indicators are present
- Review recent administrative actions for unauthorized changes to users, roles, or plugin settings
Patch Information
At the time of publication, consult the Patchstack advisory for Request a Quote for the latest fixed version information. Apply the vendor-supplied update as soon as it is available and verify the installed version through the WordPress plugins dashboard.
Workarounds
- Restrict access to quote submission forms using authentication or IP allow-listing where feasible
- Apply WAF rules that block requests containing <script>, onerror, onload, and javascript: patterns targeting plugin endpoints
- Enforce a strict Content Security Policy (CSP) that disallows inline script execution in the WordPress admin interface
- Limit the number of accounts with privileges to view stored quote requests until the plugin is patched
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.