Vulnerability identifier: #VU20939

Vulnerability risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

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

Vendor: LifterLMS

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website via the “Location:” header, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Note: This vulnerability exists due to the CVE-2019-15896 issue described above.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LifterLMS: 3.5.3 - 3.34.5

---

External links
http://blog.nintechnet.com/critical-vulnerability-fixed-in-wordpress-lifterlms-plugin/

---

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.