Vulnerability Details : CVE-2021-43032
Potential exploit
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-43032
- cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43032
3.82%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43032
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
4.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
1.7
|
2.7
|
NIST |
CWE ids for CVE-2021-43032
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43032
-
https://xenforo.com/community/forums/announcements/
Announcements | XenForo communityRelease Notes;Vendor Advisory
-
https://github.com/SakuraSamuraii/CVE-2021-43032
GitHub - SakuraSamuraii/CVE-2021-43032: Post authenticated stored-xss in XenForo versions ≤ 2.2.7Exploit;Third Party Advisory
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