CVE-2023-23921

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.

CVSS v3.0 6.1 MEDIUM

6.1^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810	Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2162526	Issue Tracking Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=443272#p1782021	Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:moodle:moodle:4.1.0:-::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::
	cpe:2.3:a:moodle:moodle::::::::

Information

Published : 2023-02-17 12:15

Updated : 2023-02-28 11:07

NVD link : CVE-2023-23921

Mitre link : CVE-2023-23921

JSON object : View

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Products Affected

moodle

moodle

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