What is the severity of CVE-2023-29509?

CVE-2023-29509 is classified as a critical vulnerability due to the potential for arbitrary code execution.

How do I fix CVE-2023-29509?

To fix CVE-2023-29509, update your XWiki installation to version 14.4.0 or later, or to version 14.10-rc2 or higher.

Who is affected by CVE-2023-29509?

Any XWiki installation running versions prior to 14.4.0 or between 13.10 and 14.4.7 is affected by CVE-2023-29509.

What type of code can be executed due to CVE-2023-29509?

CVE-2023-29509 allows execution of arbitrary Groovy, Python, or Velocity code by users with view rights on accessible documents.

What can an attacker do with CVE-2023-29509?

An attacker leveraging CVE-2023-29509 can gain full access to the XWiki installation, potentially compromising the entire platform.

Vulnerability/
CVE-2023-29509

critical

CWE

94 95

16/4/2023

6/2/2025

CVE-2023-29509: org.xwiki.platform:xwiki-platform-flamingo-theme-ui Eval Injection vulnerability

First published: Sun Apr 16 2023(Updated: )

XWiki Commons are technical libraries common to several other top level XWiki projects. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the `documentTree` macro parameters in This macro is installed by default in `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Xwiki	<13.10.11
Xwiki	>=14.4.0<14.4.7
Xwiki	=14.10-rc1

Remedy

https://github.com/xwiki/xwiki-platform/commit/80d5be36f700adcd56b6c8eb3ed8b973f62ec0ae

Remedy

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-f4v8-58f6-mwj4

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-29509?
CVE-2023-29509 is classified as a critical vulnerability due to the potential for arbitrary code execution.
How do I fix CVE-2023-29509?
To fix CVE-2023-29509, update your XWiki installation to version 14.4.0 or later, or to version 14.10-rc2 or higher.
Who is affected by CVE-2023-29509?
Any XWiki installation running versions prior to 14.4.0 or between 13.10 and 14.4.7 is affected by CVE-2023-29509.
What type of code can be executed due to CVE-2023-29509?
CVE-2023-29509 allows execution of arbitrary Groovy, Python, or Velocity code by users with view rights on accessible documents.
What can an attacker do with CVE-2023-29509?
An attacker leveraging CVE-2023-29509 can gain full access to the XWiki installation, potentially compromising the entire platform.

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