CVE-2025-23863 Overview
CVE-2025-23863 is a stored cross-site scripting (XSS) vulnerability in the Sabaoh Rollover Tab plugin for WordPress. The flaw stems from improper neutralization of user-supplied input during web page generation, classified under [CWE-79]. All versions of the rollover-tab plugin up to and including 1.3.2 are affected.
An authenticated attacker with low privileges can inject malicious scripts that persist in the application. When other users load the affected page, the browser executes the injected payload in their session context.
Critical Impact
Stored XSS enables attackers to hijack sessions, steal authentication cookies, deface content, or redirect administrators to attacker-controlled infrastructure across the WordPress site.
Affected Products
- Sabaoh Rollover Tab plugin for WordPress
- All versions from initial release through 1.3.2
- WordPress sites with the rollover-tab plugin installed and activated
Discovery Timeline
- 2025-01-16 - CVE-2025-23863 published to the National Vulnerability Database
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-23863
Vulnerability Analysis
The vulnerability resides in the Rollover Tab plugin's handling of user-controlled input. Input submitted through the plugin's administrative interface is stored in the WordPress database without adequate sanitization or output encoding.
When the affected content is rendered in the browser, the stored payload is emitted into the HTML response without escaping. The browser interprets the payload as executable JavaScript within the origin of the WordPress site.
Exploitation requires an authenticated user with permission to interact with the plugin, and user interaction is required to trigger the payload. Because the attack changes the security scope, the impact extends beyond the vulnerable component to other users of the WordPress site.
Root Cause
The root cause is missing or insufficient input validation and output encoding in code paths that accept plugin configuration or content values. The plugin trusts input that should be treated as untrusted, and it fails to apply WordPress sanitization primitives such as wp_kses, esc_html, or esc_attr before rendering. This is a textbook [CWE-79] pattern.
Attack Vector
An attacker with contributor-level or higher access authenticates to the WordPress dashboard and submits a crafted payload through a Rollover Tab input field. The payload is stored server-side and later served to any user who visits the page containing the tab content.
When a site administrator triggers the stored payload, the attacker can perform actions in the administrator's session, including creating new administrative accounts, modifying plugin or theme code, or exfiltrating session tokens. Refer to the Patchstack XSS Vulnerability Report for additional technical context.
Detection Methods for CVE-2025-23863
Indicators of Compromise
- Unexpected <script>, onerror, onload, or javascript: fragments stored in wp_postmeta or wp_options rows associated with the rollover-tab plugin.
- Outbound HTTP requests from administrator browsers to unrecognized domains shortly after loading pages containing Rollover Tab content.
- Creation of new WordPress administrator accounts or unexplained changes to user roles.
- Modifications to theme or plugin files that correlate with administrator sessions viewing affected pages.
Detection Strategies
- Audit database rows written by the rollover-tab plugin for HTML event handlers or script tags using targeted SQL queries.
- Deploy a web application firewall rule set that inspects POST parameters submitted to plugin endpoints for XSS payload patterns.
- Enable and review WordPress audit logging for changes made by low-privilege accounts to plugin-managed content.
Monitoring Recommendations
- Monitor administrator session activity for anomalous requests originating immediately after page rendering.
- Alert on WordPress user role escalations, plugin installations, and theme edits performed outside change windows.
- Track outbound network connections from workstations used to administer WordPress to detect cookie exfiltration.
How to Mitigate CVE-2025-23863
Immediate Actions Required
- Identify all WordPress sites running the rollover-tab plugin and confirm the installed version.
- Deactivate and remove the plugin if a patched release is not yet available for your environment.
- Rotate WordPress administrator passwords and invalidate active sessions if suspicious content is discovered.
- Review plugin-managed content and remove any entries containing script tags or inline event handlers.
Patch Information
At the time of publication, the vulnerability affects Rollover Tab versions through 1.3.2. Site operators should consult the Patchstack advisory for the latest fixed-version guidance and apply updates through the WordPress plugin manager as soon as they are available.
Workarounds
- Restrict the WordPress roles allowed to author or edit Rollover Tab content to trusted administrators only.
- Deploy a Content Security Policy (CSP) that disallows inline script execution to reduce the impact of stored XSS.
- Place the site behind a web application firewall with signatures for stored XSS payloads targeting WordPress plugins.
- Uninstall the plugin if it is not essential to site functionality.
# Example: locate installations of the vulnerable plugin across managed hosts
find /var/www -type d -name 'rollover-tab' -print
# Example: disable the plugin using WP-CLI until a patched release is applied
wp plugin deactivate rollover-tab
wp plugin delete rollover-tab
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.