SB2018062705 - Arbitrary file deletion in WordPress
Published: June 27, 2018 Updated: July 5, 2018
Security Bulletin ID
SB2018062705
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file deletion (CVE-ID: CVE-2018-12895)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote authenticated user to delete arbitrary file on the system.
The vulnerability exists due to improper check for user permissions when deleting files. A remote authenticated user with ability to manage media files can send a specially crafted HTTP request and delete arbitrary file on the server.
Remediation
Install update from vendor's website.