Medium severity · published Mar 6, 2023
CVE-2021-36401
In Moodle, ID numbers exported in HTML data formats required additional sanitizing to prevent a local stored XSS risk
4.8
CVSS
0.5%
EPSS
No
On KEV
Description
In Moodle, ID numbers exported in HTML data formats required additional sanitizing to prevent a local stored XSS risk.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 3.9.8; 3.10.0 before 3.10.5; 3.11.0 before 3.11.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36401
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36401
Patch
https://moodle.org/mod/forum/discuss.php?d=424807
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