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Moodle CVE-2025-26528

LOW
Cross-site Scripting (XSS) (CWE-79)
2025-02-24 patrick@puiterwijk.org
XSS Moodle
3.4
CVSS 3.1 · NVD

Severity by source

NVD PRIMARY
3.4 LOW
AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:28 vuln.today
Patch released
Mar 28, 2026 - 18:28 nvd
Patch available
CVE Published
Feb 24, 2025 - 20:15 nvd
LOW 3.4

DescriptionCVE.org

The drag-and-drop onto image (ddimageortext) question type required additional sanitizing to prevent a stored XSS risk.

AnalysisAI

The drag-and-drop onto image (ddimageortext) question type required additional sanitizing to prevent a stored XSS risk. Rated low severity (CVSS 3.4), this vulnerability is remotely exploitable, no authentication required. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The drag-and-drop onto image (ddimageortext) question type required additional sanitizing to prevent a stored XSS risk. Affected products include: Moodle.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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CVE-2025-26528 vulnerability details – vuln.today
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