SB2026032563 - Multiple vulnerabilities in Moodle

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Main Vulnerability Database SB2026032563

SB2026032563 - Multiple vulnerabilities in Moodle

Published: March 25, 2026

Security Bulletin ID SB2026032563
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 75% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Cross-site request forgery (CVE-ID: CVE-2025-62435)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in LMS BigBlueButton functionality. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


2) Improper access control (CVE-ID: CVE-2025-62438)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper capabilities and callback that control access to profiles. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.


3) Information disclosure (CVE-ID: CVE-2025-62437)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user can view feedback activity results for all groups in Separate Groups mode.


4) Improper access control (CVE-ID: CVE-2025-62436)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to Separate Groups mode restrictions are not honoured when viewing a course's Logs report. A remote user can see actions of all course participants displayed in the report.


Remediation

Install update from vendor's website.

References