Medium severity · published Jan 28, 2021
CVE-2021-20183
It was found in Moodle before version 3.10.1 that some search inputs were vulnerable to reflected XSS due to insufficient escaping of search queries
5.4
CVSS
0.8%
EPSS
No
On KEV
Description
It was found in Moodle before version 3.10.1 that some search inputs were vulnerable to reflected XSS due to insufficient escaping of search queries.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 3.10.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20183
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20183
Patch
https://moodle.org/mod/forum/discuss.php?d=417166
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