#VU51504 Code Injection


Published: 2021-03-16

Vulnerability identifier: #VU51504

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2021-21379

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XWiki platform
Web applications / JS libraries

Vendor: XWiki

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XWiki platform: 11.4 - - 12.7.1


CPE

External links
http://github.com/xwiki/xwiki-platform/security/advisories/GHSA-v662-xpcc-9xf6
http://jira.xwiki.org/browse/XWIKI-17759


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability