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4.8
CVSSv3

CVE-2021-43032

Published: 03/11/2021 Updated: 05/11/2021
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 4.8 | Impact Score: 2.7 | Exploitability Score: 1.7
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
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Vulnerability Summary

In XenForo up to and including 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.

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Github Repositories

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

Post authenticated stored-xss in XenForo versions ≤ 2.2.7

CVE-2021-43032 In XenForo ≤ 227, a threat actor with access to the admin panel can save cross-site scripting payloads in any function within the application that accepts HTML code A payload placed within the 'Advertising' functionality will execute globally on the client side, allowing for multiple exploitation scenarios, whereas other payloads will execute on t

References

CWE-79https://github.com/SakuraSamuraii/CVE-2021-43032https://xenforo.com/community/forums/announcements/https://nvd.nist.govhttps://github.com/SakuraSamuraii/CVE-2021-43032
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
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