CVE-2018-1000773

MEDIUM

Description

WordPress version 4.9.8 and earlier contains a CWE-20 Input Validation vulnerability in thumbnail processing that can result in remote code execution due to an incomplete fix for CVE-2017-1000600. This attack appears to be exploitable via thumbnail upload by an authenticated user and may require additional plugins in order to be exploited however this has not been confirmed at this time.

References

http://www.securityfocus.com/bid/105306

https://www.theregister.co.uk/2018/08/20/php_unserialisation_wordpress_vuln/

https://youtu.be/GePBmsNJw6Y?t=1763

Details

Source: MITRE

Published: 2018-09-06

Updated: 2018-11-14

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH