CVE-2021-43032

Published: Nov 3, 2021Modified: Jun 17, 2026

4.8

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitability: 1.7 / Impact: 2.7

Source: NVD

Description

In XenForo through 2.2.7, a threat actor with access to the admin panel can create a new Advertisement via the Advertising function, and save an XSS payload in the body of the HTML document. This payload will execute globally on the client side.

Affected (1)

Products: Xenforo: Xenforo

Xenforo

1 product

Xenforo

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xenforo Xenforo	Up to 2.2.7

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://github.com/SakuraSamuraii/CVE-2021-43032

Source: cve@mitre.org

ExploitThird Party Advisory

https://xenforo.com/community/forums/announcements/

Source: cve@mitre.org

Release NotesVendor Advisory

https://github.com/SakuraSamuraii/CVE-2021-43032

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://xenforo.com/community/forums/announcements/

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

Timeline

No history available yet.