#VU19660 Cross-site scripting in GD bbPress Attachments

Vulnerability identifier: #VU19660

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GD bbPress Attachments
Web applications / Modules and components for CMS

Vendor: Milan Petrovic

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. 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.

Mitigation
Update to version 2.6.

Vulnerable software versions

GD bbPress Attachments: 1.0.1 - 2.5

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External links
https://www.gubello.me/blog/gd-bbpress-attachments-2-5-authenticated-stored-xss/
https://www.youtube.com/watch?v=n4xX0ODV1O4
https://www.dev4press.com/blog/plugins/2018/gd-bbpress-attachments-2-6/
https://plugins.trac.wordpress.org/changeset/1865293/gd-bbpress-attachments

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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.