Vulnerability identifier: #VU26952

Vulnerability risk: High

CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-11673

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Responsive Poll
Web applications / Modules and components for CMS

Vendor: Total-Soft

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the usage of the callback "wp_ajax_nopriv" function in "Includes/Total-Soft-Poll-Ajax.php" for sensitive operations. A remote attacker can bypass authentication process and delete, clone, or view a hidden poll.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Responsive Poll: 1.0.0 - 1.3.3

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External links
http://gist.github.com/pak0s/05a0e517aeff4b1422d1a93f59718459
http://wordpress.org/plugins/poll-wp/#developers
http://plugins.trac.wordpress.org/changeset/2271601
http://plugins.trac.wordpress.org/changeset/2273724
http://wpvulndb.com/vulnerabilities/10178/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.