Moodle mod_data information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in Moodle. Impacted is an unknown function of the component mod_data Module. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2025-3637. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Moodle (the affected version is unknown). It has been rated as problematic. This issue affects an unknown code of the component mod_data Module. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

A security vulnerability was found in Moodle where confidential information that prevents cross-site request forgery (CSRF) attacks was shared publicly through the site's URL. This vulnerability occurred specifically on two types of pages within the mod_data module: edit and delete pages.

The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2025-3637 since 04/15/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/08/2025). MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 261473 (Linux Distros Unpatched Vulnerability : CVE-2025-3637), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (261473). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Learning Management Software

Name

• Moodle

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

• 🔍

CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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