XWiki: Guest Can Create User via firstadminuser.wiki before 15.0-rc-1, 14.10.1
CVE-2023-29513 Published on April 19, 2023

Users can be created even when registration is disabled without validation via the template macro in xwiki-platform
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. If guest has view right on any document. It's possible to create a new user using the `distribution/firstadminuser.wiki` in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.

Github Repository NVD

Vulnerability Analysis

CVE-2023-29513 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-29513. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2023-29513 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2023-29513

Want to know whenever a new CVE is published for Xwiki? stack.watch will email you.

 

Affected Versions

xwiki-platform Version < 14.10.1 is affected by CVE-2023-29513

Vulnerable Packages

The following package name and versions may be associated with CVE-2023-29513

Package Manager Vulnerable Package Versions Fixed In
maven org.xwiki.platform:xwiki-platform-web-templates >= 8.0-rc-1, < 14.10.1 14.10.1

Exploit Probability

EPSS
1.63%
Percentile
82.19%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.