#VU72778 Information disclosure in XWiki platform - CVE-2023-26476

Vulnerability identifier: #VU72778

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26476

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 excessive data output by the application in the LiveTableResults and WikisLiveTableResultsMacros components. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XWiki platform: 3.2-m3

---

External links
https://jira.xwiki.org/browse/XWIKI-19949
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-5cf8-vrr8-8hjm
https://github.com/xwiki/xwiki-platform/commit/7f8825537c9523ccb5051abd78014d156f9791c8

---

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.