Moodle up to 4.1.15/4.3.9/4.4.5/4.5.1 Glossary Entry authorization

Summaryinfo

A vulnerability was found in Moodle up to 4.1.15/4.3.9/4.4.5/4.5.1 and classified as problematic. This vulnerability affects unknown code of the component Glossary Entry Handler. The manipulation results in authorization. This vulnerability is identified as CVE-2025-26532. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Moodle up to 4.1.15/4.3.9/4.4.5/4.5.1. Affected is an unknown code of the component Glossary Entry Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on integrity. CVE summarizes:

Additional checks were required to ensure trusttext is applied (when enabled) to glossary entries being restored.

The advisory is available at moodle.org. This vulnerability is traded as CVE-2025-26532 since 02/12/2025. The exploitability is told to be difficult. It is possible to launch the attack 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 08/21/2025).

The vulnerability scanner Nessus provides a plugin with the ID 253375 (Linux Distros Unpatched Vulnerability : CVE-2025-26532), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.1.16, 4.3.10, 4.4.6 or 4.5.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (253375). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5
• 4.3.6
• 4.3.7
• 4.3.8
• 4.3.9
• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.5.0
• 4.5.1

License

• open-source

Website

• Product: https://moodle.org/

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Entryinfo

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

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