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githubGitHub Advisory DatabaseGHSA-97QF-PQ7X-964M
HistoryFeb 17, 2023 - 9:30 p.m.

Moodle Cross-site Scripting vulnerability

2023-02-1721:30:41
CWE-79
GitHub Advisory Database
github.com
21
moodle
cross-site scripting
vulnerability
user-supplied data
remote attacker
html
script code
xss attacks
software

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.0%

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user’s browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

Affected configurations

Vulners
Node
moodlemoodleRange<4.1.1
OR
moodlemoodleRange<4.0.6
OR
moodlemoodleRange<3.11.12
OR
moodlemoodleRange<3.9.19

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

46.0%