CVE-2021-43032

Public Exploit

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.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.82% Top 15%
Vendor Advisory xenforo.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://xenforo.com/community/forums/announcements/ release notes vendor advisory
https://github.com/SakuraSamuraii/CVE-2021-43032 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-43032?
CVE-2021-43032 has been scored as a medium severity vulnerability.
How to fix CVE-2021-43032?
To fix CVE-2021-43032, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43032 being actively exploited in the wild?
It is possible that CVE-2021-43032 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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