CVE-2018-1000773

high

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

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

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

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

Details

Source: Mitre, NVD

Published: 2018-09-06

Updated: 2018-11-14

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High