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.

Remediation

References

CVE-2018-1000773

Related Vulnerabilities

Drupal Files or Directories Accessible to External Parties Vulnerability (CVE-2017-6922)

Apache HTTP Server Improper Handling of Case Sensitivity Vulnerability (CVE-2001-0766)

Oracle Database Server Create Session privilege issue (CVE-2021-1993)

Moodle Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2016-2153)

Mailman Other Vulnerability (CVE-2005-0202)

Severity

High

Classification

CVE-2018-1000773 CWE-20 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities