Path traversal in WordPress Site Editor

1) Path traversal

EUVDB-ID: #VU14204

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-7422

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to insufficient sanitization of user-supplied input submitted to the ajax_path parameter that is processed by the editor/extensions/pagebuilder/includes/ajax_shortcode_pattern.php code. A remote attacker can send a specially crafted request that submits malicious input, conduct directory traversal attack access arbitrary files on the system.

Mitigation

Cybersecurity Help is currently unaware of any solutions addressing the vulnerability.

Vulnerable software versions

Site Editor: All versions

External links

http://seclists.org/fulldisclosure/2018/Mar/40

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