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CVE-2023-23922

Date: February 16, 2023

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in blog search. 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.

Language: PHP

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2023-23922
https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
https://github.com/moodle/moodle
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
https://bugzilla.redhat.com/show_bug.cgi?id=2162547
https://www.mend.io/vulnerability-database/CVE-2023-23922

Severity Score

Weakness Type (CWE)

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

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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