#VU58473 Stored cross-site scripting in Asgaros Forum


Published: 2021-12-01

Vulnerability identifier: #VU58473

Vulnerability risk: Low

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

CVE-ID: CVE-2021-42365

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Asgaros Forum
Web applications / Modules and components for CMS

Vendor: Thomas Belser

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 "name" parameter in the ~/admin/tables/admin-structure-table.php file. A remote authenticated attacker can 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Asgaros Forum: 1.11.0 - 1.15.13


External links
http://wordfence.com/vulnerability-advisories/#CVE-2021-42365
http://plugins.trac.wordpress.org/changeset/2635143/asgaros-forum/trunk/admin/tables/admin-structure-table.php


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability