CVE-2025-54687 Overview
CVE-2025-54687 is a DOM-based Cross-Site Scripting (XSS) vulnerability in the Crocoblock JetTabs plugin for WordPress. The flaw stems from improper neutralization of input during web page generation [CWE-79]. It affects all JetTabs versions up to and including 2.2.9.1.
Attackers can inject malicious scripts that execute in a victim's browser through the Document Object Model (DOM). Exploitation requires low privileges and user interaction, but the scope is changed, meaning injected scripts can affect resources beyond the vulnerable component.
Critical Impact
Successful exploitation enables execution of arbitrary JavaScript in the context of authenticated WordPress users, potentially leading to session theft, unauthorized actions, and content manipulation.
Affected Products
- Crocoblock JetTabs plugin for WordPress
- All versions from initial release through 2.2.9.1
- WordPress sites using JetTabs for tabbed content layouts
Discovery Timeline
- 2025-08-14 - CVE-2025-54687 published to the National Vulnerability Database (NVD)
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-54687
Vulnerability Analysis
The JetTabs plugin fails to properly sanitize user-controllable input before writing it to the DOM. Client-side JavaScript processes attacker-controlled values and inserts them into page elements without adequate encoding.
Because the sink executes in the browser rather than server-side, traditional web application firewall (WAF) inspection of HTTP responses may miss the payload. The attack requires an authenticated user session with low privileges and user interaction, such as clicking a crafted link or loading a poisoned page.
The scope change indicates that injected scripts can impact resources managed by a different security authority, such as WordPress administrative surfaces or other plugins running on the same origin.
Root Cause
The root cause is improper neutralization of input during web page generation [CWE-79]. JetTabs client-side code passes untrusted data to a DOM sink such as innerHTML, document.write, or a jQuery HTML manipulation function without escaping or sanitizing the value.
WordPress site administrators or contributors with the ability to configure tab content or supply parameters consumed by the plugin can introduce payloads that execute for site visitors.
Attack Vector
The vulnerability is exploitable over the network. An attacker crafts a payload delivered through a URL parameter, tab configuration, or other input consumed by the plugin's client-side rendering logic.
When a victim loads the page or interacts with the tabbed component, the DOM sink evaluates the payload and executes attacker-controlled JavaScript in the victim's session. See the Patchstack WordPress Vulnerability Report for additional technical context.
Detection Methods for CVE-2025-54687
Indicators of Compromise
- Unexpected <script> tags or event handlers rendered within JetTabs elements in page source
- Outbound browser requests to unfamiliar domains originating from pages containing JetTabs shortcodes
- WordPress user sessions performing administrative actions inconsistent with normal user behavior
- Modified post or widget content containing encoded JavaScript payloads in JetTabs configuration fields
Detection Strategies
- Inventory WordPress installations and identify sites running JetTabs 2.2.9.1 or earlier
- Review browser console logs and Content Security Policy (CSP) violation reports for blocked inline script executions on pages using JetTabs
- Scan post meta and plugin option tables for suspicious payloads containing javascript:, onerror=, or <script sequences
Monitoring Recommendations
- Enable WordPress activity logging to capture changes to posts, widgets, and plugin settings
- Deploy a CSP with report-uri or report-to directives to surface DOM-based script injections
- Monitor web server access logs for unusual query string parameters targeting pages that embed JetTabs shortcodes
How to Mitigate CVE-2025-54687
Immediate Actions Required
- Update the Crocoblock JetTabs plugin to a version released after 2.2.9.1 once a patched release is available
- Restrict contributor and editor roles from configuring JetTabs content until the plugin is patched
- Review recent changes to JetTabs-managed content for injected script payloads and remove them
- Rotate credentials for any administrators who accessed affected pages during the exposure window
Patch Information
Refer to the Patchstack advisory and the Crocoblock changelog for patch availability. Apply the vendor-supplied update through the WordPress plugin management interface as soon as it is released.
Workarounds
- Deactivate the JetTabs plugin on sites where an immediate patch is not available
- Implement a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
- Deploy a WordPress-aware WAF with rules targeting XSS payloads in query parameters and POST bodies
- Limit plugin configuration privileges to a minimum set of trusted administrators
# Example: WP-CLI commands to check version and deactivate plugin
wp plugin get jet-tabs --field=version
wp plugin deactivate jet-tabs
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
