#VU6591 Improper input validation in WordPress - CVE-2017-9065

Vulnerability identifier: #VU6591

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-9065

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description
The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to lack of capability checks for post meta data in the XML-RPC API. A remote attacker can send a specially crafted request and bypass certain security restrictions.

Mitigation
Update to version 4.7.5.

Vulnerable software versions

WordPress: 4.7 - 4.7.4

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External links
https://wordpress.org/news/2017/05/wordpress-4-7-5/

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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.