#VU84504 Information disclosure in XWiki platform - CVE-2023-50719

Vulnerability identifier: #VU84504

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-50719

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XWiki platform
Web applications / CMS

Vendor: XWiki

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the Solr-based search in XWiki discloses the password hashes of all users to anyone with view right on the respective user profiles. A remote attacker can gain unauthorized access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XWiki platform: 7.2, 7.3, 7.4 - 7.4.6, 8.0, 8.1, 8.2 - 8.2.2, 8.3 rc-1, 8.4 - 8.4.6, 9.0, 9.1 - 9.11.9, 9.2, 9.3 - 9.3.1, 9.4, 9.5 - 9.5.1, 9.6, 9.7, 9.8 - 9.8.1, 9.9, 10.0 - 15.5.1

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External links
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-p6cp-6r35-32mh
https://github.com/xwiki/xwiki-platform/commit/3e5272f2ef0dff06a8f4db10afd1949b2f9e6eea
https://jira.xwiki.org/browse/XWIKI-21208

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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