Vulnerability identifier: #VU26055

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

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

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

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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.