CVE-2025-0470 Overview
CVE-2025-0470 is a Reflected Cross-Site Scripting (XSS) vulnerability [CWE-79] in the Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress. The flaw affects all versions up to and including 1.38.2. The vulnerability stems from insufficient input sanitization and output escaping on the title parameter. Unauthenticated attackers can inject arbitrary web scripts into pages. Exploitation requires tricking a user into clicking a crafted link, at which point the injected script executes in the victim's browser context.
Critical Impact
Unauthenticated attackers can execute arbitrary JavaScript in a victim's browser session, enabling session hijacking, credential theft, and redirection to malicious sites when a targeted user clicks a crafted link.
Affected Products
- WPMU DEV Forminator Forms plugin for WordPress
- All versions up to and including 1.38.2
- Free edition distributed via the WordPress.org plugin repository
Discovery Timeline
- 2025-01-31 - CVE-2025-0470 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-0470
Vulnerability Analysis
The vulnerability is a Reflected Cross-Site Scripting flaw classified under [CWE-79]. The Forminator Forms plugin fails to sanitize the title parameter on input and does not escape the value when reflecting it back into HTML output. Attacker-supplied JavaScript embedded in the title parameter is rendered directly into the page markup. The browser then executes the injected script under the origin of the affected WordPress site. This grants the attacker access to cookies, session tokens, and Document Object Model (DOM) content available to the current user.
Root Cause
The root cause is a combination of missing input validation and absent output escaping on the title parameter within the Forminator plugin request handling logic. Server-side code accepts the parameter value without applying WordPress sanitization helpers such as sanitize_text_field(). The value is then emitted to HTML without contextual escaping via esc_html() or esc_attr(). See the WordPress Forminator Changeset for the fix applied by the vendor.
Attack Vector
The attack vector is network-based and requires user interaction. An attacker crafts a URL targeting the vulnerable WordPress endpoint with a malicious payload placed in the title query parameter. The attacker then distributes this link via phishing email, social media, chat, or a malicious site. When a victim clicks the link, the injected script executes in their browser. If the victim is an authenticated WordPress administrator, the attacker can perform privileged actions such as creating rogue admin accounts or modifying site content. Refer to the Wordfence Vulnerability Report for additional technical context.
No verified proof-of-concept code is publicly available. The vulnerability
involves reflecting attacker-controlled input from the `title` parameter
into HTML output without escaping. See vendor advisory for details.
Detection Methods for CVE-2025-0470
Indicators of Compromise
- HTTP requests to Forminator plugin endpoints containing <script>, javascript:, or HTML event handler payloads within the title parameter.
- URL-encoded XSS payloads such as %3Cscript%3E or onerror= observed in web server access logs referencing Forminator URLs.
- Unexpected outbound requests from user browsers to attacker-controlled domains following visits to affected WordPress pages.
Detection Strategies
- Inspect web application firewall (WAF) and reverse proxy logs for reflected XSS payload patterns targeting the title parameter on Forminator endpoints.
- Deploy signatures that identify script tags, event handlers, and encoded payloads within query string parameters submitted to /wp-content/plugins/forminator/ paths.
- Correlate suspicious link click referrers with subsequent administrator session activity to identify successful exploitation.
Monitoring Recommendations
- Enable verbose HTTP access logging on WordPress sites running Forminator and forward logs to a centralized analytics platform for retention and search.
- Monitor for creation of new administrator accounts, plugin installations, or theme edits immediately following a user clicking an external link.
- Alert on Content Security Policy (CSP) violation reports indicating inline script execution originating from Forminator-rendered pages.
How to Mitigate CVE-2025-0470
Immediate Actions Required
- Update the Forminator Forms plugin to a version later than 1.38.2 that contains the vendor patch referenced in the WordPress plugin changeset.
- Audit WordPress user accounts for unauthorized administrator additions and review recent content changes for injected scripts.
- Enforce browser-side mitigations by deploying a strict Content Security Policy (CSP) that disallows inline script execution on the site.
Patch Information
The vendor released a fix documented in the WordPress Forminator Changeset between revisions 3222217 and 3226716. Site administrators should update the plugin through the WordPress admin dashboard or by downloading the latest release from the WordPress.org plugin repository. Verify the installed version is greater than 1.38.2 after applying the update.
Workarounds
- If immediate patching is not feasible, deactivate the Forminator Forms plugin until the update can be applied.
- Deploy a WAF rule that blocks HTTP requests containing script tags or JavaScript event handler patterns in the title parameter of Forminator endpoints.
- Educate administrators and editors to avoid clicking untrusted links referencing the site, particularly those with unusual query string content.
# Verify the installed Forminator plugin version via WP-CLI
wp plugin get forminator --field=version
# Update Forminator to the latest patched release
wp plugin update forminator
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
