CVE-2024-28740

Cross Site Scripting vulnerability in Koha ILS 23.05 and before allows a remote attacker to execute arbitrary code via the additonal-contents.pl component

Medium · published August 6, 2024

CVSS v3.1
6.1
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky little XSS vulnerability in Koha ILS could let a remote attacker execute arbitrary code! Think of this like a library patron slipping a fake book request into the system, where the librarian unknowingly serves up the wrong book—suddenly, the library is filled with rogue titles! 📚 This means an attacker could manipulate the system to run their own scripts, leading to all sorts of mischief like stealing user data or injecting malicious content into your library's web pages. While it isn't the worst-case scenario, it can still create significant headaches for users and administrators alike.

Put simply

Think of this like a library patron slipping a fake book request into the system, where the librarian unknowingly serves up the wrong book—suddenly, the library is filled with rogue titles! 📚 The vulnerability in Koha ILS arises from improper input validation in the additional-contents.pl component, allowing attackers to execute arbitrary JavaScript code in the context of the user's session.

What to do

This means an attacker could manipulate the system to run their own scripts, leading to all sorts of mischief like stealing user data or injecting malicious content into your library's web pages. While it isn't the worst-case scenario, it can still create significant headaches for users and administrators alike. To protect against this, upgrade Koha ILS to version 23.06 or later to patch the flaw. Additionally, consider implementing a Content Security Policy (CSP) to further mitigate potential XSS attacks. Regularly review and sanitize user inputs to reinforce security. You can tackle this! Follow the steps, and you'll keep your library safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00713 · 53.1th percentile
Published
2024-08-06T00:00Z
EPSS history
Timeline
  • 06 AUG 00:00Z
    Cross Site Scripting vulnerability in Koha ILS 23.05 and before allows a remote attacker to execute arbitrary code via the additonal-contents.pl component
    cvelistv5