Moodle up to 4.5.12/5.0.8/5.1.5/5.2.1 Question Bank Web Service sql injection

Summaryinfo

A vulnerability labeled as critical has been found in Moodle up to 4.5.12/5.0.8/5.1.5/5.2.1. The impacted element is an unknown function of the component Question Bank Web Service. Executing a manipulation can lead to sql injection. This vulnerability is handled as CVE-2026-102578. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Moodle up to 4.5.12/5.0.8/5.1.5/5.2.1. It has been declared as critical. This vulnerability affects an unknown part of the component Question Bank Web Service. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in Moodle. An authenticated attacker with access to the question bank web service can submit unsanitized input directly into database queries, resulting in a SQL (Structured Query Language) injection vulnerability. This issue could allow an attacker to view, alter, or delete sensitive data stored in the underlying database.

The advisory is available at git.moodle.org. This vulnerability was named CVE-2026-102578 since 09/29/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/30/2026). This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

Upgrading to version 4.5.13, 5.0.9, 5.1.6 or 5.2.2 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8
• 4.5.9
• 4.5.10
• 4.5.11
• 4.5.12
• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5
• 5.0.6
• 5.0.7
• 5.0.8
• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4
• 5.1.5
• 5.2.0
• 5.2.1

License

• open-source

Website

• Product: https://moodle.org/

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