CVE-2021-20186

Description

It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory moodle.org
Affected: n/a moodle
Published at:
Updated at:

References

Link Tags
https://moodle.org/mod/forum/discuss.php?d=417170 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20186?
CVE-2021-20186 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20186?
To fix CVE-2021-20186, 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-2021-20186 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20186 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20186?
CVE-2021-20186 affects n/a moodle.
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