Vulnerability identifier: #VU72777

Vulnerability risk: Medium

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-26475

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XWiki platform
Web applications / CMS

Vendor: XWiki

Description

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

The vulnerability exists due to a privilege context switching error in the annotation displayer. A remote user 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: 14.0 rc-1 - 14.5, 2.3-milestone-1

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External links
http://github.com/xwiki/xwiki-platform/commit/d87d7bfd8db18c20d3264f98c6deefeae93b99f7
http://jira.xwiki.org/browse/XWIKI-20360
http://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h6f5-8jj5-cxhr
http://jira.xwiki.org/browse/XWIKI-20384

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.