CVE-2025-64224CWE-79

WordPress Grand Conference Theme Custom Post Type plugin < 2.6.4 - Cross Site Scripting (XSS) vulnerability

High · published November 6, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
8.3
In the wild
Unconfirmed
What it is

⚡ A sneaky case of XSS is lurking in the Grand Conference Theme, ready to amplify any malicious script sent your way! 🔥 Think of it as a restaurant that serves meals without checking for allergens—if a customer sneaks in an ingredient, the entire dining experience could turn disastrous! Here, unfiltered input allows harmful scripts to blend into your web pages without a single check. An attacker could exploit this vulnerability to execute arbitrary JavaScript in the user's browser, potentially hijacking sessions or redirecting users to malicious sites. The consequences could be absolutely devastating, especially for unsuspecting visitors who trust your site to be safe.

Put simply

Think of it as a restaurant that serves meals without checking for allergens—if a customer sneaks in an ingredient, the entire dining experience could turn disastrous! Here, unfiltered input allows harmful scripts to blend into your web pages without a single check. This reflected XSS vulnerability occurs in the Grand Conference Theme Custom Post Type, where improper input neutralization allows harmful scripts to be executed immediately when a user interacts with a crafted link.

What to do

An attacker could exploit this vulnerability to execute arbitrary JavaScript in the user's browser, potentially hijacking sessions or redirecting users to malicious sites. The consequences could be absolutely devastating, especially for unsuspecting visitors who trust your site to be safe. To fortify your defenses, update to version 2.6.4 or later to patch this vulnerability. Additionally, implement input sanitization and content security policies to further protect your site from future threats. You've got this! With these steps, you can ensure your site remains a safe haven for users. 🛡️

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00191 · 8.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-11-06T15:56Z
EPSS history
Timeline
  • 06 NOV 15:56Z
    WordPress Grand Conference Theme Custom Post Type plugin < 2.6.4 - Cross Site Scripting (XSS) vulnerability
    cvelistv5