CVE-2023-35159CWE-87

XWiki Platform vulnerable to reflected cross-site scripting via xredirect parameter in deletespace template

Critical · published June 23, 2023

CVSS v3.1
9.7
EPSS
2%
Percentile
82.2
In the wild
Unconfirmed
What it is

🚨 A crafty URL can inject JavaScript and exploit your XWiki instance, turning it into a playground for attackers! 🔥 This vulnerability is like a sneaky chef who finds a way to slip a mysterious ingredient into a recipe without anyone noticing — just one wrong order and your dish is ruined! An attacker could exploit this flaw to execute arbitrary JavaScript on your XWiki pages, potentially stealing sensitive user data, redirecting users to malicious sites, or creating chaos with unwanted pop-ups. Since it's possible to forge the URL, the damage could be extensive and devastating for anyone using XWiki for their applications.

Put simply

This vulnerability is like a sneaky chef who finds a way to slip a mysterious ingredient into a recipe without anyone noticing — just one wrong order and your dish is ruined! This XSS vulnerability in XWiki allows attackers to inject malicious JavaScript through specially crafted URLs, particularly using the deletespace template. With XWiki versions prior to 14.10.5 and 15.1-rc-1 still in use, this flaw poses a serious risk to web applications relying on this platform.

What to do

An attacker could exploit this flaw to execute arbitrary JavaScript on your XWiki pages, potentially stealing sensitive user data, redirecting users to malicious sites, or creating chaos with unwanted pop-ups. Since it's possible to forge the URL, the damage could be extensive and devastating for anyone using XWiki for their applications. To secure your XWiki installation, patch immediately to version 14.10.5 or upgrade to 15.1-rc-1. Additionally, review your application’s input validation to ensure this kind of URL tampering is not possible in the future! You've got this! Follow these steps and you'll empower your XWiki with unbeatable protection! 🛡️

The record
Technical detail
CVSS v3.1
9.7 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02182 · 82.2th percentile
Weakness
CWE-87 · Improper Neutralization of Alternate XSS Syntax
Published
2023-06-23T18:34Z
EPSS history
Timeline
  • 23 JUN 18:34Z
    XWiki Platform vulnerable to reflected cross-site scripting via xredirect parameter in deletespace template
    cvelistv5