CVE-2023-35156CWE-87

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

Critical · published June 23, 2023

CVSS v3.1
9.7
EPSS
2%
Percentile
81.4
In the wild
Unconfirmed
What it is

🚨 A crafty URL can lead to Javascript running on your XWiki pages, potentially giving attackers a free pass to wreak havoc! 🔥 Think of it like a restaurant that lets customers order off a secret menu without checking their ID — anyone could slip in a dangerous dish if they know the right words to say! An attacker could easily inject malicious scripts that execute when unsuspecting users visit your page — think stolen cookies, defaced content, or even unauthorized access to user accounts. This exploit could compromise the integrity of the entire wiki, making it a playground for malicious activity in an instant!

Put simply

Think of it like a restaurant that lets customers order off a secret menu without checking their ID — anyone could slip in a dangerous dish if they know the right words to say! This XSS vulnerability allows attackers to craft URLs that inject Javascript into XWiki pages, exploiting the delete template functionality. The flaw has existed since XWiki version 6.0-rc-1, leaving a long trail of potential exploitation for anyone who lands on a crafted link.

What to do

An attacker could easily inject malicious scripts that execute when unsuspecting users visit your page — think stolen cookies, defaced content, or even unauthorized access to user accounts. This exploit could compromise the integrity of the entire wiki, making it a playground for malicious activity in an instant! To secure your XWiki instance, patch to version 14.10.6 or 15.1 immediately. If you're on 14.10.5, update right away since the prior patch wasn't enough. Review your code for any other areas where unsanitized inputs could lead to similar issues. You've got this! Securing your XWiki means reclaiming the safety of your online space — let's show those vulnerabilities who's boss! 🛡️

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
0.02081 · 81.4th percentile
Weakness
CWE-87 · Improper Neutralization of Alternate XSS Syntax
Published
2023-06-23T18:19Z
EPSS history
Timeline
  • 23 JUN 18:19Z
    XWiki Platform vulnerable to reflected cross-site scripting via xredirect parameter in delete template
    cvelistv5