Medium severity · published Dec 8, 2020
CVE-2020-25631
A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book's chapter title, which was not escaped on the…
6.1
CVSS
0.9%
EPSS
No
On KEV
Description
A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book's chapter title, which was not escaped on the "Add new chapter" page. This is fixed in 3.9.2, 3.8.5 and 3.7.8.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
3.7.0 before 3.7.8; 3.8.0 before 3.8.5; 3.9.0 before 3.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25631
Patch
https://moodle.org/mod/forum/discuss.php?d=410843
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