#VU26055 Improper access control in Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter - CVE-2020-10195
Published: March 13, 2020
Vulnerability identifier: #VU26055
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-10195
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter
Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter
Software vendor:
Sygnoos
Sygnoos
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in several actions. A remote authenticated attacker can send a specially crafted HTTP POST request and export a list of all newsletter subscribers, export system configuration information and grant themselves access to various features of the plugin.
The vulnerable actions included:
- add_action('admin_post_csv_file', array($this, 'getSubscribersCsvFile'));
- add_action('admin_post_sgpb_system_info', array($this, 'getSystemInfoFile'));
- add_action('admin_post_sgpbSaveSettings', array($this, 'saveSettings'), 10, 1);
Remediation
Install updates from vendor's website.