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VULNERABILITIES

CVE-2021-43032 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/SakuraSamuraii/CVE-2021-43032 CVEExploitThird Party Advisory
https://xenforo.com/community/forums/announcements/ CVERelease NotesVendor Advisory
https://github.com/SakuraSamuraii/CVE-2021-43032 [email protected]ExploitThird Party Advisory
https://xenforo.com/community/forums/announcements/ [email protected]Release NotesVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
xenforo xenforo
<= 2.2.7

CPE

  • cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-43032
NVD Published Date:
Nov 3, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]