CVE-2025-64189CWE-79cross-site-scripting

CVE-2025-64189

High · published December 18, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
11.8
In the wild
Unconfirmed
What it is

⚡ Watch out! A sneaky reflected XSS vulnerability lurks in the XStore Core plugin for versions below 5.6 — it’s like a delivery driver dropping off the wrong package at your door! 📦 This flaw allows attackers to inject malicious scripts, much like a prankster slipping a fake letter into your mailbox, tricking you into opening it by disguising it as something familiar. If you fall for it, you might just end up with a nasty surprise! An attacker could exploit this vulnerability to run arbitrary JavaScript on the victim's browser, potentially stealing sensitive information like cookies or session tokens. It's not just a nuisance; it could lead to account takeovers, data leaks, or even malicious redirects that make users feel unsafe on your site.

Put simply

This flaw allows attackers to inject malicious scripts, much like a prankster slipping a fake letter into your mailbox, tricking you into opening it by disguising it as something familiar. If you fall for it, you might just end up with a nasty surprise! The reflected XSS vulnerability in the XStore Core plugin allows attackers to execute malicious scripts by manipulating input during web page generation, leading to unauthorized access and potential data theft.

What to do

An attacker could exploit this vulnerability to run arbitrary JavaScript on the victim's browser, potentially stealing sensitive information like cookies or session tokens. It's not just a nuisance; it could lead to account takeovers, data leaks, or even malicious redirects that make users feel unsafe on your site. Update the XStore Core plugin to version 5.6 or higher immediately. Review your input handling practices to ensure proper sanitization and consider implementing a Content Security Policy to mitigate the risk of XSS. Don't forget to test thoroughly after the update! You’ve got this! By taking these steps, you’ll have your site locked down in no time. 🛡️

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
0.00219 · 11.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-18T13:16Z
References (1)
EPSS history
Timeline
  • 18 DEC 07:22Z
    WordPress XStore Core plugin < 5.6 - Cross Site Scripting (XSS) vulnerability
    cvelistv5