#VU26055 Improper access control in Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter - CVE-2020-10195


Vulnerability identifier: #VU26055

Vulnerability risk: Medium

CVSSv4.0: 1.3 [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: Network

Exploit availability: No

Vulnerable software:
Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter
Web applications / Modules and components for CMS

Vendor: 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);

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter: 1.1 - 3.63


External links
https://wpvulndb.com/vulnerabilities/10127/
https://www.wordfence.com/blog/2020/03/vulnerabilities-patched-in-popup-builder-plugin-affecting-ove...


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability