Vulnerability identifier: #VU25400

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-7051

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Codoforum
Client/Desktop applications / Messaging software

Vendor: Codologic

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the login area. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Note: This is relevant in conjunction with CVE-2020-5842 because session cookies lack the HttpOnly flag.

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

Vulnerable software versions

Codoforum: 4.8.4

---

External links
http://codologic.com/forum/index.php?u=/topic/12638/codoforum-4-8-8-released-and-the-future#post-23845
http://www.linkedin.com/posts/polina-voronina-896819b5_discovered-by-polina-voronina-jan-15-activity-6634436086540054528-dDgg/

---

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.