9.1

CVSS Score

3.1

-

CVSS Score

Basic Information

CVE ID

CVE-2023-45134

GHSA ID

GHSA-gr82-8fj2-ggc3

EPSS Score

0.89009%

CWE

CWE-79

Published

10/25/2023

Updated

11/3/2023

KEV Status

Technology

Java

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

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CVE-2023-45134

CVE-2023-45134: XWiki Platform XSS vulnerability from account in the create page form via template provider

Impact

An attacker can create a template provider on any document that is part of the wiki (could be the attacker's user profile) that contains malicious code. This code is executed when this template provider is selected during document creation which can be triggered by sending the user to a URL. For the attacker, the only requirement is to have an account as by default the own user profile is editable. This allows an attacker to execute arbitrary actions with the rights of the user opening the malicious link. Depending on the rights of the user, this may allow remote code execution and full read and write access to the whole XWiki installation.

For reproduction, the following steps can be used:

As a simple user with no script right, edit the user profile with the object editor and add an object of type "Template Provider Class". Set the name to "My Template", set template to any page on the wiki. In "Creation Restrictions", enter <img onerror="alert(1)" src="https://www.example.com". Accept the suggestion to add this string in the dropdown. Click "Save & View"
As any user with edit right, open <xwiki-host>/xwiki/bin/create/Main/WebHome?parent=&templateprovider=XWiki.<username>&name=foo&spaceReference=Bar, where <xwiki-host> is the URL of your XWiki installation and <username> is the username of the attacker.

If an alert is displayed, the installation is vulnerable.

Patches

This has been patched in XWiki 14.10.12 and 15.5RC1 by adding the appropriate escaping.

Workarounds

The vulnerable template file createinline.vm is part of XWiki's WAR and can be patched by manually applying the changes from the fix.

References

https://github.com/xwiki/xwiki-platform/commit/ba56fda175156dd35035f2b8c86cbd8ef1f90c2e
https://jira.xwiki.org/browse/XWIKI-20962

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2023-45134

CVE-2023-45134:

9.1

CVSS Score

3.1

-

CVSS Score

Basic Information

CVE ID

CVE-2023-45134

GHSA ID

GHSA-gr82-8fj2-ggc3

EPSS Score

0.89009%

CWE

CWE-79

Published

10/25/2023

Updated

11/3/2023

KEV Status

Technology

Java

Basic Information

CVE ID

GHSA ID

EPSS Score

CWE

Published

Updated

KEV Status

Technology

Technical Details

CVSS Vector

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

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
org.xwiki.platform:xwiki-platform-web-templates	maven	< 14.10.12	14.10.12
org.xwiki.platform:xwiki-platform-web-templates	maven	>= 15.0-rc-1, < 15.5-rc-1	15.5-rc-1

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability stems from unescaped Velocity template outputs in createinline.vm. The commit diff shows the addition of $escapetool.xml() wrappers around services.localization.render() calls that previously output attacker-controlled values like $templateProvider and $allowedSpaces.toString(). These values were derived from user-configured template providers and could contain XSS payloads. The lack of escaping in the original implementation allowed HTML/JS injection when rendering error messages during document creation.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

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Reasoning

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9.1

-

Basic Information

Basic Information

Concerned about an active attack path?

CVE-2023-45134: XWiki Platform XSS vulnerability from account in the create page form via template provider

Impact

Patches

Workarounds

References

CVE-2023-45134:

9.1

-

Basic Information

Basic Information

Technical Details

Technical Details

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

Vulnerability IntelligenceMiggo AI

Basic Information

Basic Information

Vulnerability IntelligenceMiggo AI

Root Cause Analysis

Vulnerable functions

WAF Protection Rules

WAF Rule

Reasoning

9.1

9.1

Technical Details

CVE-2023-45134: XWiki Platform XSS vulnerability from account in the create page form via template provider

Impact

Patches

Workarounds

References

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI

Vulnerability Intelligence
Miggo AI