Vulnerability identifier: #VU56016

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-34634

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nifty Newsletters (Formerly Sola Newsletters)
Web applications / Modules and components for CMS

Vendor: SolaPlugins

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "sola_nl_wp_head" function in the ~/sola-newsletters.php file. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Nifty Newsletters (Formerly Sola Newsletters): 1.0 - 4.0.23

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External links
http://www.wordfence.com/vulnerability-advisories/#CVE-2021-34634
http://plugins.trac.wordpress.org/browser/sola-newsletters/trunk/sola-newsletters.php#L774

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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.