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CVE-2024-43400

CRITICAL

XWiki Platform allows XSS through XClass name in string properties

Published August 19, 2024Updated August 19, 2024Source: osv

Summary

### 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

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.xwiki.platform:xwiki-platform-oldcore to 16.0.0 or later
<!-- Update pom.xml dependency version to 16.0.0 for org.xwiki.platform:xwiki-platform-oldcore -->
Maven
Update org.xwiki.platform:xwiki-platform-oldcore to 15.5.5 or later
<!-- Update pom.xml dependency version to 15.5.5 for org.xwiki.platform:xwiki-platform-oldcore -->
Maven
Update org.xwiki.platform:xwiki-platform-oldcore to 14.10.21 or later
<!-- Update pom.xml dependency version to 14.10.21 for org.xwiki.platform:xwiki-platform-oldcore -->
Maven
Update org.xwiki.platform:xwiki-platform-oldcore to 15.10.6 or later
<!-- Update pom.xml dependency version to 15.10.6 for org.xwiki.platform:xwiki-platform-oldcore -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (4)

PackageEcosystemAffectedFixed In
org.xwiki.platform:xwiki-platform-oldcore
maven
16.0.0-rc-116.0.0
org.xwiki.platform:xwiki-platform-oldcore
maven
All versions15.5.5
org.xwiki.platform:xwiki-platform-oldcore
maven
All versions14.10.21
org.xwiki.platform:xwiki-platform-oldcore
maven
All versions15.10.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2024-43400?
XWiki Platform allows XSS through XClass name in string properties This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.0/10).
How do I check if my project is affected by CVE-2024-43400?
CVE-2024-43400 affects org.xwiki.platform:xwiki-platform-oldcore. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-43400 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-wcg9-pgqv-xm5v

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