Vulnerability CVE-2021-39317
Published: 2021-10-11

Description:
Versions up to, and including, 1.0.6, of the Access Demo Importer WordPress plugin are vulnerable to arbitrary file uploads via the plugin_offline_installer AJAX action due to a missing capability check in the plugin_offline_installer_callback function found in the ~/inc/demo-functions.php.

Type:

CWE-434

 (Unrestricted Upload of File with Dangerous Type)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Accesspressthemes -> Access demo importer 

 References:
https://www.wordfence.com/blog/2021/10/high-severity-vulnerability-patched-in-access-demo-importer-plugin/
https://plugins.trac.wordpress.org/changeset/2602132/access-demo-importer/trunk/inc/demo-functions.php
https://plugins.trac.wordpress.org/changeset/2592642/access-demo-importer/trunk/inc/demo-functions.php
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