Vulnerability identifier: #VU73791

Vulnerability risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-28106

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pimcore
Web applications / CMS

Vendor: Pimcore

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in UrlSlug Data type. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pimcore: 10.5.0 - 10.5.18

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External links
http://github.com/pimcore/pimcore/commit/c59d0bf1d03a5037b586fe06230694fa3818dbf2
http://github.com/pimcore/pimcore/pull/14669.patch
http://huntr.dev/bounties/fa77d780-9b23-404b-8c44-12108881d11a
http://github.com/pimcore/pimcore/security/advisories/GHSA-x5j3-mq9g-8jc8

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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. However, proof of concept for this vulnerability is available.