CVE-2021-31858

Description

DotNetNuke (DNN) 9.9.1 CMS is vulnerable to a Stored Cross-Site Scripting vulnerability in the user profile biography section which allows remote authenticated users to inject arbitrary code via a crafted payload.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.30%
Vendor Advisory dnnsoftware.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.dnnsoftware.com/community/security/security-center vendor advisory
https://labs.integrity.pt/advisories/cve-2021-31858/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-31858?
CVE-2021-31858 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31858?
To fix CVE-2021-31858, 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-2021-31858 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31858 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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