CVE-2025-56761 – Memos Stored Cross Site Scripting (XSS) Vulnerability

The following table lists the changes that have been made to the
CVE-2025-56761 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Sep. 03, 2025

    Action Type Old Value New Value
    Added Description Memos 0.22 is vulnerable to Stored Cross site scripting (XSS) vulnerabilities by the upload attachment and user avatar features. Memos does not verify the content type of the uploaded data and serve it back as is. An authenticated attacker can use this to elevate their privileges when the stored XSS is viewed by an admin.
    Added Reference https://github.com/usememos/memos/blob/v0.24.0/server/router/api/v1/user_service.go#L147
    Added Reference https://github.com/usememos/memos/blob/v0.24.4/server/router/api/v1/resource_service.go#L48
    Added Reference https://www.sonarsource.com/blog/securing-go-applications-with-sonarqube-real-world-examples/
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