#VU72780 Improper handling of exceptional conditions in XWiki platform - CVE-2023-26479

Vulnerability identifier: #VU72780

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26479

CWE-ID: CWE-755

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XWiki platform
Web applications / CMS

Vendor: XWiki

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of errors. A remote user can send specially crafted input and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

XWiki platform: 6.0

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External links
https://jira.xwiki.org/browse/XWIKI-19838
https://github.com/xwiki/xwiki-platform/commit/e5b82cd98072464196a468b8f7fe6396dce142a7
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-52vf-hvv3-98h7

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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.