CVE-2021-36568

Public Exploit

Description

In certain Moodle products after creating a course, it is possible to add in a arbitrary "Topic" a resource, in this case a "Database" with the type "Text" where its values "Field name" and "Field description" are vulnerable to Cross Site Scripting Stored(XSS). This affects Moodle 3.11 and Moodle 3.10.4 and Moodle 3.9.7.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://drive.google.com/drive/folders/1_fO4BKpmD3avGYHSzvIXWs5owqVYgB1s?usp=sharing third party advisory broken link
https://blog.hackingforce.com.br/en/cve-2021-36568/ third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRI4ETMQ4DJR3TZUOOGPBQ32RBD5LNGC/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERQ3NHVOK4ZXT4MS4LBQ2ZJHTON3LIMW/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-36568?
CVE-2021-36568 has been scored as a medium severity vulnerability.
How to fix CVE-2021-36568?
To fix CVE-2021-36568, 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-2021-36568 being actively exploited in the wild?
It is possible that CVE-2021-36568 is being exploited or will be exploited in a near future based on public information. 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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