Open redirect in Umbraco CMS

1) Open redirect

EUVDB-ID: #VU90705

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-34071

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Umbraco CMS: 8.18.5 - 13.3.0

External links

http://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-j74q-mv2c-rxmp
http://github.com/umbraco/Umbraco-CMS/commit/5f24de308584b9771240a6db1a34630a5114c450
http://github.com/umbraco/Umbraco-CMS/commit/c17d4e1a600098ec524e4126f4395255476bc33f
http://github.com/umbraco/Umbraco-CMS/commit/c8f71af646171074c13e5c34f74312def4512031
http://github.com/umbraco/Umbraco-CMS/commit/d8df405db4ea884bb4b96f088d10d9a2070cf024

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.