Remote code execution in XWiki Platform

Published: 2021-03-16
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21379
Exploitation vector Network
Public exploit N/A
Vulnerable software
XWiki platform
Web applications / JS libraries

Vendor XWiki

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Code Injection

EUVDB-ID: #VU51504

Risk: High


CVE-ID: CVE-2021-21379

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the "{{wikimacrocontent}}". A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Install updates from vendor's website.

Vulnerable software versions

XWiki platform: 11.4 - - 12.7.1

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?