#VU5933 Open redirect in WordPress - CVE-2017-6815

Vulnerability identifier: #VU5933

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-6815

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description
The vulnerability allows a remote attacker to redirect website visitors to external websites.

The vulnerability is caused by incorrect validation of redirected URL in wp-includes/pluggable.php. A remote attacker can create a specially crafted link, redirect the victim on external website and perform a phishing attack.

Mitigation
Update to version 4.7.3.

Vulnerable software versions

WordPress: 4.7 - 4.7.2

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External links
https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/

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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.