SB2019060607 - Arbitrary file upload in Crelly Slider for WordPress
Published: June 6, 2019 Updated: June 24, 2019
Security Bulletin ID
SB2019060607
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file upload (CVE-ID: N/A)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the ‘ajax.php’ script does not check user capabilities when loaded by the "is_admin()" function. A remote authenticated user can upload PHP scripts and compromise the website.
Remediation
Install update from vendor's website.