Moodle Cross-site Scripting vulnerability

2022-09-1400:00:41

Google

osv.dev

moodle

cross-site scripting

database

text

vulnerability

version 3.11.x

version 3.10.4

version 3.9.7

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

38.0%

JSON

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.x prior to 3.11.10, Moodle 3.10.4, and Moodle 3.9.7.