CVE-2025-48324: tli.tl Auto Twitter Poster XSS Vulnerability

CVE-2025-48324 Overview

CVE-2025-48324 is a stored Cross-Site Scripting (XSS) vulnerability in the khashabawy tli.tl auto Twitter poster WordPress plugin (tlitl-auto-twitter-poster). The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. All plugin versions up to and including 3.4 are affected. An authenticated attacker with high privileges can inject persistent JavaScript payloads that execute in the browsers of other users viewing the affected pages. The stored nature of the injection means payloads persist across sessions and can be delivered to administrators or other privileged users, enabling session theft, forced administrative actions, or further compromise of the WordPress site.

Critical Impact
Authenticated attackers can store malicious JavaScript that executes in other users' browsers, enabling account takeover and site compromise within the WordPress environment.

Affected Products

khashabawy tli.tl auto Twitter poster WordPress plugin
Plugin slug: tlitl-auto-twitter-poster
All versions from n/a through 3.4

Discovery Timeline

2025-08-28 - CVE CVE-2025-48324 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-48324

Vulnerability Analysis

The vulnerability is a stored XSS flaw in the tlitl-auto-twitter-poster plugin. The plugin fails to properly sanitize or encode user-supplied input before rendering it into HTML output. Because the payload is persisted server-side, it executes whenever a victim loads the affected page. Exploitation requires an authenticated account with elevated privileges and user interaction from the victim. The scope is changed, meaning injected script can affect resources beyond the vulnerable component, such as the WordPress admin interface. Successful exploitation can lead to cookie or session token exfiltration, forced state-changing requests on behalf of the victim, and delivery of secondary payloads for lateral movement within the site.

Root Cause

The root cause is missing or insufficient output encoding when the plugin renders attacker-controlled input into HTML. Per [CWE-79], input containing characters such as <, >, ", or ' is written into the response without escaping via WordPress helpers like esc_html(), esc_attr(), or wp_kses(). This allows raw HTML and <script> content to be interpreted by the browser rendering engine.

Attack Vector

An authenticated user with high privileges submits a crafted payload through an input field or setting exposed by the plugin. The malicious content is stored in the WordPress database. When another user loads a page that renders the stored value, the browser parses and executes the attacker's JavaScript in the site's origin context. Refer to the Patchstack WordPress Vulnerability Report for advisory details.

Detection Methods for CVE-2025-48324

Indicators of Compromise

Unexpected <script> tags, event handlers (onerror, onload), or javascript: URIs stored in wp_options, wp_postmeta, or plugin-specific tables.
Outbound HTTP requests from administrator browsers to unknown domains shortly after visiting plugin-managed pages.
New or unexpected WordPress administrator accounts or altered user roles following admin sessions.
Modified plugin or theme files with recently changed timestamps.

Detection Strategies

Scan plugin database entries and rendered pages for HTML control characters and script fragments.
Deploy Content Security Policy (CSP) violation reporting to catch inline script execution attempts.
Review web server access logs for POST requests to tlitl-auto-twitter-poster endpoints containing encoded HTML.

Monitoring Recommendations

Alert on writes to plugin settings originating from unusual IP addresses or user agents.
Monitor WordPress audit logs for privileged user actions on the plugin's configuration pages.
Track browser-side errors and CSP reports from authenticated administrator sessions.

How to Mitigate CVE-2025-48324

Immediate Actions Required

Deactivate and remove the tlitl-auto-twitter-poster plugin until a patched version is released.
Audit stored plugin settings and post metadata for injected script content and remove any malicious payloads.
Rotate credentials and invalidate active sessions for all administrator and privileged accounts.
Restrict high-privilege access using the principle of least privilege to reduce the pool of accounts capable of triggering the vulnerability.

Patch Information

At the time of publication, no patched version above 3.4 is referenced in the advisory. Monitor the Patchstack WordPress Vulnerability Report and the plugin's WordPress.org listing for a fixed release.

Workarounds

Remove or disable the plugin entirely until a vendor fix is available.
Deploy a Web Application Firewall (WAF) rule to block requests containing HTML or script markup targeting plugin endpoints.
Enforce a strict Content Security Policy that disallows inline scripts and restricts allowed script sources.
Limit access to the WordPress admin interface with IP allowlisting and multi-factor authentication.

bash

# Configuration example: remove the vulnerable plugin via WP-CLI
wp plugin deactivate tlitl-auto-twitter-poster
wp plugin delete tlitl-auto-twitter-poster

# Search database for potentially injected script content
wp db query "SELECT option_id, option_name FROM wp_options WHERE option_value LIKE '%<script%';"