CVE-2025-48093CWE-79cross-site-scripting

CVE-2025-48093

High · published October 22, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

⚡ A crafty flaw in Calvaweb's Password only login could let attackers slip in JavaScript like an unwelcome guest at a party! Think of this vulnerability as a restaurant that doesn’t check the identity of its diners. If someone can just walk in and order anything without verification, chaos could ensue — and it’s your culinary experience that might be at stake! An attacker could exploit this reflected XSS vulnerability to inject malicious scripts, potentially stealing sensitive user data or hijacking user sessions. The consequences could range from embarrassing pranks to serious data breaches, making users vulnerable to numerous attacks.

Put simply

Think of this vulnerability as a restaurant that doesn’t check the identity of its diners. If someone can just walk in and order anything without verification, chaos could ensue — and it’s your culinary experience that might be at stake! This reflected XSS vulnerability occurs due to improper sanitization of input during web page generation in the Calvaweb Password only login system, versions n/a through 0.2. It allows attackers to execute arbitrary JavaScript in the context of another user's session.

What to do

An attacker could exploit this reflected XSS vulnerability to inject malicious scripts, potentially stealing sensitive user data or hijacking user sessions. The consequences could range from embarrassing pranks to serious data breaches, making users vulnerable to numerous attacks. To protect against this, immediately update to a patched version of Calvaweb. Implement input validation and output encoding to ensure user inputs are properly sanitized. Regularly audit your code to catch such sneaky vulnerabilities early! You've got this! Follow these steps, and you’ll keep your web applications secure and your users safe! 🛡️

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
0.00300 · 21.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-10-22T19:15Z
References (1)
EPSS history
Timeline
  • 22 OCT 14:32Z
    WordPress Password only login plugin <= 0.2 - Reflected Cross Site Scripting (XSS) vulnerability
    cvelistv5