CVE-2025-15659 Overview
CVE-2025-15659 is a stored Cross-Site Scripting (XSS) vulnerability affecting the Elizaibots WordPress plugin (also known as Elizaibot Chatbots) in versions up to and including 1.0.2. The flaw allows authenticated users with Contributor-level privileges to inject malicious JavaScript that executes in the browser of any user viewing the affected content. The issue is classified under CWE-79, Improper Neutralization of Input During Web Page Generation.
Critical Impact
Authenticated contributors can inject persistent JavaScript that executes in administrator browsers, enabling session hijacking, privilege escalation, and unauthorized actions within the WordPress dashboard.
Affected Products
- Elizaibots (Elizaibot Chatbots) WordPress plugin, versions <= 1.0.2
- WordPress sites running the vulnerable plugin with Contributor-tier accounts enabled
- Any administrator or editor account that views attacker-controlled content rendered by the plugin
Discovery Timeline
- 2026-06-15 - CVE-2025-15659 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-15659
Vulnerability Analysis
The vulnerability is a stored XSS issue introduced through insufficient sanitization of user-supplied input within the Elizaibots plugin. A Contributor-level WordPress user can submit content containing JavaScript payloads. The plugin renders this content without proper output encoding or HTML escaping. When a higher-privileged user — such as an Editor or Administrator — loads the page, the injected script executes in their browser session.
This class of bug carries elevated risk in WordPress environments because the Contributor role is commonly granted to external authors. Attackers who compromise or register a Contributor account can stage payloads that target administrative users. Successful exploitation can lead to authenticated session theft, forced administrative actions through the WordPress REST API, or pivoting to plugin and theme installation.
According to EPSS data dated 2026-06-18, the likelihood of observed exploitation remains low, but the prerequisites are limited to a low-privilege authenticated account.
Root Cause
The root cause is the failure to apply WordPress core sanitization functions such as wp_kses_post(), esc_html(), or esc_attr() to Contributor-supplied input before rendering. The plugin trusts authenticated input and reflects raw HTML and script content into rendered pages.
Attack Vector
The attack vector is network-based and requires authentication as a Contributor along with user interaction from the victim. An attacker authenticates to the WordPress site, submits content containing a crafted <script> payload through a plugin-controlled field, and waits for a privileged user to view the content. Upon page load, the payload executes under the victim's origin and session context.
No verified public proof-of-concept code is available. Refer to the Patchstack security advisory for additional technical context.
Detection Methods for CVE-2025-15659
Indicators of Compromise
- Plugin-managed posts, comments, or chatbot configuration entries containing <script>, onerror=, onload=, or javascript: strings submitted by Contributor accounts.
- Unexpected outbound requests from administrator browser sessions to attacker-controlled domains shortly after viewing plugin-rendered pages.
- WordPress audit log entries showing Contributor accounts editing content followed by unusual administrative actions such as new user creation or plugin installation.
Detection Strategies
- Inspect the wp_posts and plugin-specific tables for stored content containing HTML event handlers or <script> tags authored by non-administrative users.
- Deploy a Web Application Firewall (WAF) rule that flags requests to plugin endpoints containing common XSS payload signatures.
- Correlate WordPress role activity with browser-side errors or Content Security Policy (CSP) violation reports submitted to the report-uri endpoint.
Monitoring Recommendations
- Enable a WordPress activity log plugin to track content edits and role escalation events.
- Monitor authentication logs for new Contributor account registrations followed by immediate content submissions.
- Forward web server access logs and CSP violation reports to a centralized SIEM for correlation across the WordPress estate.
How to Mitigate CVE-2025-15659
Immediate Actions Required
- Update the Elizaibots plugin to a version newer than 1.0.2 once the vendor releases a fixed build, or deactivate and remove the plugin if no patch is available.
- Audit Contributor and Author accounts and revoke any accounts that are not actively required.
- Review all content submitted by Contributor users since the plugin's installation for embedded scripts or event-handler attributes.
Patch Information
At the time of NVD publication on 2026-06-15, the Patchstack advisory lists the issue against Elizaibots <= 1.0.2. Administrators should consult the Patchstack security advisory for the latest fixed version information and apply the vendor patch as soon as it becomes available.
Workarounds
- Restrict Contributor-tier accounts and require administrator review of all submitted content before publication.
- Deploy a Content Security Policy that disallows inline scripts (script-src 'self') to limit the impact of injected payloads.
- Apply virtual patching through a WordPress-aware WAF such as Patchstack, Wordfence, or a managed service to block XSS payloads to plugin endpoints until an official fix is released.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
