CVE-2025-46453: Zoho Creator Forms Stored XSS Vulnerability

CVE-2025-46453 Overview

CVE-2025-46453 is a stored Cross-Site Scripting (XSS) vulnerability in the Zoho Creator Forms plugin for WordPress. The flaw affects all versions of the plugin up to and including 1.0.5. Attackers with low-privilege authenticated access can inject persistent JavaScript payloads that execute in the browsers of visitors and administrators who view affected pages. The vulnerability is tracked under CWE-79 for improper neutralization of input during web page generation.

Critical Impact
Stored XSS enables session hijacking, credential theft, forced administrative actions, and delivery of malware to site visitors through trusted WordPress pages.

Affected Products

CreatorTeam Zoho Creator Forms WordPress plugin, versions up to and including 1.0.5
WordPress sites running the affected plugin with form rendering enabled
Any browser session viewing pages that render unsanitized form output

Discovery Timeline

2025-04-24 - CVE-2025-46453 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-46453

Vulnerability Analysis

The vulnerability stems from improper neutralization of user-supplied input rendered within WordPress pages generated by the Zoho Creator Forms plugin. Input passed through form fields or plugin configuration is stored server-side and later reflected into HTML output without adequate escaping or sanitization. As a result, an attacker with contributor-level or similar authenticated privileges can persist a JavaScript payload that executes when other users load the affected page.

Because the payload is stored rather than reflected, exploitation does not require the victim to click a crafted link. Any user rendering the compromised form triggers execution in their session context, including administrators. The scope change reflected in the CVSS vector indicates the injected script can affect resources beyond the vulnerable plugin, such as the surrounding WordPress admin interface.

Root Cause

The root cause is missing output encoding when the plugin renders stored form data into the DOM. WordPress provides helper functions such as esc_html(), esc_attr(), and wp_kses() for context-aware escaping, but the vulnerable code paths in versions through 1.0.5 do not consistently apply them to attacker-controlled fields.

Attack Vector

An authenticated attacker submits a payload containing HTML or JavaScript through a Zoho Creator Forms input surface. The plugin persists the value and later emits it inside a rendered page. When an administrator or visitor loads that page, the browser parses the injected markup as executable script. See the Patchstack advisory for additional technical context.

Detection Methods for CVE-2025-46453

Indicators of Compromise

Presence of <script>, onerror=, onload=, or javascript: strings within stored Zoho Creator Forms records in the WordPress database
Unexpected outbound requests from administrator browsers to attacker-controlled domains after visiting form pages
New or modified WordPress administrator accounts created shortly after form submissions
Unauthorized changes to plugin or theme files following administrator sessions on affected pages

Detection Strategies

Audit wp_posts, wp_postmeta, and plugin-specific tables for HTML event handlers or script tags in Zoho Creator Forms content
Deploy a Web Application Firewall (WAF) rule set to flag XSS payloads submitted to plugin endpoints
Enable a strict Content Security Policy (CSP) in report-only mode to identify inline script execution originating from plugin pages

Monitoring Recommendations

Review WordPress access logs for POST requests to Zoho Creator Forms endpoints from contributor or author accounts
Monitor administrator session activity for unusual privilege changes, plugin installations, or user creation events
Track browser console errors and CSP violation reports tied to pages rendering the affected plugin

How to Mitigate CVE-2025-46453

Immediate Actions Required

Deactivate the Zoho Creator Forms plugin on any site running version 1.0.5 or earlier until a patched release is confirmed
Restrict form submission and editing capabilities to trusted authenticated users only
Rotate WordPress administrator credentials and invalidate active sessions if suspicious form content is present
Review and remove any stored form entries containing script tags or HTML event handlers

Patch Information

Refer to the Patchstack WordPress Vulnerability Advisory for the current patch status. At the time of publication, the advisory documents the issue as affecting versions through 1.0.5. Upgrade to a vendor-supplied fixed release when available, or remove the plugin if no patch is offered.

Workarounds

Disable the plugin and remove its files from wp-content/plugins/ until a fix is released
Deploy a WAF rule that blocks HTML tags and JavaScript event handlers in POST parameters targeting the plugin
Enforce a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Limit contributor and author role assignments to reduce the pool of accounts capable of exploitation

bash

# Configuration example: disable the vulnerable plugin via WP-CLI
wp plugin deactivate zohocreator
wp plugin delete zohocreator

# Optional: enforce a restrictive CSP header via .htaccess
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'"