CVE-2018-1000773

HIGH

WordPress < 4.9.8 - Authenticated Remote Code Execution via Thumbnail Processing

Title source: llm
STIX 2.1

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 (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://youtu.be/GePBmsNJw6Y?t=1763
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105306

Scores

CVSS v3 8.8
EPSS 0.2777
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
wordpress/wordpress < 4.9.8
Published Sep 06, 2018
Tracked Since Feb 18, 2026