Vulnerability identifier: #VU47261

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Activello
Web applications / Modules and components for CMS

Vendor: Silkalns

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in "activello_activate_plugin" and "activello_deactivate_plugin" functions in the "inc/welcome-screen/class-activello-welcome.php" script. A remote attacker can deactivate a security or antispam plugin, for instance.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Activello: 1.0.0 - 1.4.1

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External links
http://wpvulndb.com/vulnerabilities/10417/
http://blog.nintechnet.com/unauthenticated-function-injection-vulnerability-fixed-in-15-wordpress-themes/

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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.