usememos up to 0.24.3 Markdown Image information disclosure

Summaryinfo

A vulnerability was found in usememos memos up to 0.24.3. It has been rated as problematic. Affected is an unknown function of the component Markdown Image Handler. This manipulation causes information disclosure. This vulnerability is handled as CVE-2025-50738. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in usememos memos up to 0.24.3. It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Markdown Image Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The Memos application, up to version v0.24.3, allows for the embedding of markdown images with arbitrary URLs. When a user views a memo containing such an image, their browser automatically fetches the image URL without explicit user consent or interaction beyond viewing the memo. This can be exploited by an attacker to disclose the viewing user's IP address, browser User-Agent string, and potentially other request-specific information to the attacker-controlled server, leading to information disclosure and user tracking.

This vulnerability is known as CVE-2025-50738 since 06/16/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• usememos

Name

• memos

Version

• 0.24.0
• 0.24.1
• 0.24.2
• 0.24.3

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

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