CVE-2025-66102CWE-79

WordPress FV Antispam plugin <= 2.7 - Cross Site Scripting (XSS) vulnerability

High · published December 18, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
6.4
In the wild
Unconfirmed
What it is

⚡ A sneaky bit of reflected XSS hides in FolioVision FV Antispam versions up to 2.7, waiting for unwary users! Think of it like a dinner party where someone slips a fake menu into the mix; if your guests order from it, they might end up with something entirely different than what they thought they were getting! An attacker could craft a malicious link that, when clicked, executes any JavaScript they desire in the context of your site—this means they could hijack sessions, steal cookies, or redirect users to phishing sites. This could lead to absolutely devastating consequences for your users and your reputation!

Put simply

Think of it like a dinner party where someone slips a fake menu into the mix; if your guests order from it, they might end up with something entirely different than what they thought they were getting! This vulnerability allows for reflected cross-site scripting attacks due to improper input neutralization during web page generation. Essentially, the application fails to sanitize user input, letting malicious scripts slip through.

What to do

An attacker could craft a malicious link that, when clicked, executes any JavaScript they desire in the context of your site—this means they could hijack sessions, steal cookies, or redirect users to phishing sites. This could lead to absolutely devastating consequences for your users and your reputation! To fix this, upgrade FV Antispam to the latest version beyond 2.7 immediately. Also, implement proper input validation and output encoding techniques to prevent XSS vulnerabilities in the future. 🛡️ You've got this! Patch that vulnerability and keep your site safe and sound! 🚀

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
0.00173 · 6.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-18T07:22Z
EPSS history
Timeline
  • 18 DEC 07:22Z
    WordPress FV Antispam plugin <= 2.7 - Cross Site Scripting (XSS) vulnerability
    cvelistv5