CVE-2025-24614: Post Timeline Reflected XSS Vulnerability

CVE-2025-24614 Overview

CVE-2025-24614 is a reflected Cross-Site Scripting (XSS) vulnerability in the Agile Logix Post Timeline plugin for WordPress. The flaw affects all plugin versions up to and including 2.3.9. Attackers can craft malicious URLs that inject arbitrary JavaScript into pages rendered by the plugin. Successful exploitation requires user interaction, such as clicking a crafted link. The vulnerability is categorized under [CWE-79] Improper Neutralization of Input During Web Page Generation. It carries a scope-changed impact, allowing attackers to affect resources beyond the vulnerable component.

Critical Impact
Attackers can execute arbitrary JavaScript in victims' browsers, leading to session theft, credential harvesting, or actions performed on behalf of authenticated WordPress users including administrators.

Affected Products

Agile Logix Post Timeline WordPress plugin
Versions from n/a through 2.3.9
WordPress sites with the Post Timeline plugin installed and active

Discovery Timeline

2025-02-14 - CVE-2025-24614 published to NVD
2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-24614

Vulnerability Analysis

The Post Timeline plugin fails to properly neutralize user-supplied input before reflecting it in HTTP responses. When a victim visits a crafted URL containing a malicious payload, the plugin renders the input directly into the resulting HTML output. The browser interprets the injected content as executable JavaScript within the context of the WordPress site. Because the vulnerability has a changed scope, code injected through the plugin can impact resources beyond the plugin itself, including the broader WordPress session context. The EPSS score is 0.178% with a percentile of 38.891, indicating low observed exploitation probability at this time.

Root Cause

The root cause lies in missing or insufficient output encoding when handling request parameters processed by the plugin. User input flows into HTML rendering paths without proper sanitization through functions such as esc_html(), esc_attr(), or wp_kses(). This allows raw script tags and event handlers to reach the browser unchanged.

Attack Vector

Exploitation occurs over the network and requires user interaction. An attacker crafts a URL containing a malicious payload in a vulnerable parameter handled by Post Timeline. The attacker then delivers this URL through phishing emails, social media, or compromised websites. When a logged-in WordPress user clicks the link, the injected script executes with the user's privileges. If the victim is an administrator, the attacker can perform privileged actions including creating accounts, modifying content, or installing malicious plugins. Refer to the Patchstack Vulnerability Report for additional technical details.

Detection Methods for CVE-2025-24614

Indicators of Compromise

HTTP requests to Post Timeline plugin endpoints containing <script>, javascript:, or HTML event handler payloads such as onerror= and onload=
Web server access logs showing URL parameters with encoded payloads like %3Cscript%3E or %22%3E%3C
Unexpected administrator account creations or plugin installations following user clicks on external links
Outbound browser requests to unfamiliar domains originating from WordPress admin sessions

Detection Strategies

Inspect WordPress access logs for suspicious query string parameters reaching post-timeline plugin URLs
Deploy a web application firewall with XSS signature rules covering reflected payload patterns
Monitor for browser console errors and Content Security Policy violations on pages rendered by the plugin
Correlate user click events with subsequent privilege-changing actions in WordPress audit logs

Monitoring Recommendations

Enable verbose HTTP logging on the WordPress front-end and review for anomalous parameter values
Track plugin version inventory across all WordPress installations to identify exposed instances
Alert on outbound traffic from administrator browser sessions to newly registered or low-reputation domains

How to Mitigate CVE-2025-24614

Immediate Actions Required

Update the Post Timeline plugin to a version newer than 2.3.9 once a patched release is available from Agile Logix
Disable or remove the Post Timeline plugin if a patched version is not yet published
Review WordPress administrator activity logs for unauthorized actions occurring after February 14, 2025
Force password resets for WordPress administrators who may have clicked suspicious links

Patch Information

Consult the Patchstack Vulnerability Report for current patch status. Apply the vendor-released fix as soon as it becomes available through the WordPress plugin repository.

Workarounds

Deploy a web application firewall rule that blocks request parameters containing <script, javascript:, or common XSS payloads targeting the plugin path
Implement a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Restrict administrator access to trusted networks and require multi-factor authentication for WordPress logins
Train administrators to avoid clicking unverified links while authenticated to WordPress

bash

# Example WAF rule to block reflected XSS attempts targeting Post Timeline
SecRule REQUEST_URI "@contains /wp-content/plugins/post-timeline" \
  "chain,id:1024614,phase:2,deny,status:403,msg:'CVE-2025-24614 XSS attempt'"
  SecRule ARGS "@rx (?i)(<script|javascript:|onerror=|onload=)" "t:urlDecodeUni"