Reflected XSS Vulnerability in Moodle's Question Bank Filter
CVE-2025-26530
6.1MEDIUM
What is CVE-2025-26530?
The vulnerability in Moodle's question bank filter stems from insufficient sanitization of user input, which allows attackers to inject malicious scripts that could be executed in the context of users viewing the affected page. This reflected XSS risk poses serious security concerns, as it can be exploited to manipulate sessions, deliver phishing pages, or execute unauthorized actions on behalf of victims.
Affected Version(s)
moodle 4.5.0 < 4.5.2
moodle 4.4.0 < 4.4.6
moodle 4.3.0 < 4.3.10
References
CVSS V3.1
Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed
Timeline
Vulnerability published
Vulnerability Reserved