CVE-2025-8208 Overview
CVE-2025-8208 is a stored Cross-Site Scripting (XSS) vulnerability in the Spexo Addons for Elementor plugin for WordPress. The flaw affects all versions up to and including 1.0.23 and resides in the plugin's Countdown widget. The plugin fails to properly sanitize input and escape output on user-supplied attributes, allowing malicious script injection.
Authenticated attackers with contributor-level access or higher can inject arbitrary JavaScript into pages. The payload executes in the browser of any user who visits an affected page. The vulnerability is tracked under CWE-79: Improper Neutralization of Input During Web Page Generation.
Critical Impact
Authenticated contributors can persist arbitrary JavaScript that runs in every visitor's browser, enabling session theft, credential harvesting, and administrative account takeover on affected WordPress sites.
Affected Products
- Spexo Addons for Elementor plugin for WordPress
- All versions up to and including 1.0.23
- Sites using the plugin's Countdown widget
Discovery Timeline
- 2025-08-24 - CVE-2025-8208 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-8208
Vulnerability Analysis
The vulnerability exists in the Countdown widget shipped with the Spexo Addons for Elementor plugin. The widget accepts user-controlled attributes that are rendered back into page markup without adequate sanitization or output escaping. When a contributor configures the widget, attacker-supplied values are stored in the post and later reflected into the DOM at render time.
Because the injected content is stored in the WordPress database, the payload executes for every visitor who loads the affected page. Contributors do not have unfiltered_html capabilities in WordPress by default, which is why widget attribute sanitization is the plugin's responsibility. The plugin's failure to enforce this control breaks WordPress's trust boundary between low-privilege authors and site visitors.
Root Cause
The root cause is insufficient input sanitization and missing output escaping on widget attributes. WordPress provides functions such as wp_kses_post(), esc_attr(), and esc_html() for exactly this purpose, but the affected Countdown widget rendering code does not apply them consistently. See the WordPress changeset for the corrective patch.
Attack Vector
An attacker requires an authenticated WordPress account with contributor privileges or higher. The attacker creates or edits content that uses the Countdown widget and supplies a malicious JavaScript payload in one of the widget's attributes. Once the content is saved and viewed, the payload executes in the visitor's browser under the site's origin, allowing cookie theft, forced actions via CSRF, or defacement.
No user interaction beyond visiting the injected page is required. Because the attack is delivered over the network against authenticated sessions of any visitor, including administrators, an attacker can escalate from contributor to administrator by hijacking a privileged session.
Detection Methods for CVE-2025-8208
Indicators of Compromise
- Countdown widget instances containing <script> tags, on*= event handlers, or javascript: URIs in stored post content
- Unexpected outbound requests from visitor browsers to attacker-controlled domains sourced from pages using the plugin
- New or modified administrator accounts created shortly after contributor logins
- Unusual wp_options or wp_posts entries referencing external JavaScript hosts
Detection Strategies
- Query the wp_posts table for post content containing serialized Elementor data with script-like tokens in Countdown widget attributes
- Review WordPress audit logs for contributor-level users editing or publishing pages that include the Countdown widget
- Scan rendered site output with a headless browser and flag inline scripts that do not match a known allowlist
Monitoring Recommendations
- Enable WordPress activity logging to track contributor content submissions and page publications
- Monitor web server logs for anomalous requests originating from authenticated sessions after visiting plugin-rendered pages
- Alert on installations of the Spexo Addons for Elementor plugin at version 1.0.23 or earlier across your estate
- Correlate browser Content Security Policy (CSP) violation reports with pages containing the Countdown widget
How to Mitigate CVE-2025-8208
Immediate Actions Required
- Update the Spexo Addons for Elementor plugin to a version above 1.0.23 on every WordPress site in scope
- Audit all existing pages that use the Countdown widget for injected scripts and sanitize or remove affected content
- Review contributor and author accounts, disable inactive accounts, and rotate credentials for suspected compromised users
- Enforce least privilege by removing unnecessary contributor-level access
Patch Information
The issue is corrected in the plugin update referenced by the WordPress plugins changeset 3348552. Additional context is available in the Wordfence vulnerability report and the plugin developer page. Apply the vendor-supplied fix rather than manual patches to maintain future update compatibility.
Workarounds
- Deactivate the Spexo Addons for Elementor plugin until it can be updated
- Restrict use of the Countdown widget through role-based editor permissions in Elementor
- Deploy a Content Security Policy that disallows inline scripts and unapproved external script sources
- Place a Web Application Firewall (WAF) rule in front of the site to block requests containing script payloads in Elementor widget parameters
# Configuration example: identify vulnerable installations via WP-CLI
wp plugin list --field=name,version | grep -i "spexo"
wp plugin update spexo-addons-for-elementor
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
