🛡️ CVE-2024-43400 — xwiki

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-79 NVD
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

XWiki Platform allows XSS through XClass name in string properties

Impact

Is it possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript.

This requires social engineer to trick a user to follow the URL.

Reproduction steps

1. As a user without script or programming right, create a (non-terminal) document named " + alert(1) + " (the quotes need to be part of the name).

1. Edit the class.

1. Add a string property named "test".

1. Edit using the object editor and add an object of the created class

1. Get an admin to open <xwiki-server>/xwiki/bin/view/%22%20%2B%20alert(1)%20%2B%20%22/?viewer=display&type=object&property=%22%20%2B%20alert(1)%20%2B%20%22.WebHome.test&mode=edit where <xwiki-server> is the URL of your XWiki installation.

Patches

This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.

Workarounds

We're not aware of any workaround except upgrading.

References

  • https://jira.xwiki.org/browse/XWIKI-21810
  • https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2024-43400 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2024-43400 is recorded against 2 packages.

  • org.xwiki.platform:xwiki-platform-oldcore (from 16.0.0-rc-1 up to 16.0.0)
  • xwiki (from 15.6 up to 15.10.6)

Timeline and source

Published on 19 August 2024. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
jira.xwiki.org (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2024-08-19
Updated 2026-08-12
Modified 2024-08-19

Affected Packages

Software From version Fixed in
org.xwiki.platform:xwiki-platform-oldcore 16.0.0-rc-1 16.0.0
xwiki 15.6 15.10.6

Similar Threats

Exploit Protection

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