CVE-2025-66119CWE-79

WordPress Hostel plugin <= 1.1.5.9 - 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 XSS vulnerability in Bob Hostel could let attackers inject malicious scripts into your web pages! Think of it like a waiter who accidentally mixes up your food order with someone else's, serving you a dish that could cause chaos instead of delight. This vulnerability allows an attacker to slip their own script into the web page just like that mix-up, leaving unsuspecting users vulnerable. An attacker exploiting this vulnerability could execute harmful scripts in users' browsers, potentially stealing sensitive information or hijacking user sessions. Imagine someone sneaking into your table and swapping your dessert for something that looks tempting but is actually a trap! What they do could range from stealing cookies to redirecting users to malicious sites.

Put simply

Think of it like a waiter who accidentally mixes up your food order with someone else's, serving you a dish that could cause chaos instead of delight. This vulnerability allows an attacker to slip their own script into the web page just like that mix-up, leaving unsuspecting users vulnerable. This Reflected XSS vulnerability occurs due to improper handling of input during web page generation in Bob Hostel versions up to 1.1.5.9, allowing attackers to inject malicious code that runs in the context of a user's browser session.

What to do

An attacker exploiting this vulnerability could execute harmful scripts in users' browsers, potentially stealing sensitive information or hijacking user sessions. Imagine someone sneaking into your table and swapping your dessert for something that looks tempting but is actually a trap! What they do could range from stealing cookies to redirecting users to malicious sites. Immediately update to a patched version above 1.1.5.9. Additionally, implement Content Security Policy (CSP) headers and input validation to mitigate XSS risks. Regularly audit your web applications to ensure they are secure against such vulnerabilities. You've got this! With these steps, you'll fortify your defenses and keep your users safe from sneaky scripts! 🛡️

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 Hostel plugin <= 1.1.5.9 - Cross Site Scripting (XSS) vulnerability
    cvelistv5