Spoofing attack in WordPress - CVE-2017-5491

 

Spoofing attack in WordPress - CVE-2017-5491

Published: January 17, 2017 / Updated: January 17, 2017


Vulnerability identifier: #VU4860
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5491
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WordPress.ORG
Affected software:
WordPress

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass certain security restriction.

The vulnerability exists due to an error within wp-mail.php script. A remote attacker can bypass imposed posting restrictions using a spoofed mail server with name mail.example.com.

Successful exploitation of the vulnerability may allow an attacker to perform unauthorized postings.


How to mitigate CVE-2017-5491

Update to version 4.7.1.

Sources