CVE-2025-56761: Memos Vulnerable to Stored Cross-Site Scripting
(updated )
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.
References
- github.com/advisories/GHSA-cgrg-86m5-xm4w
- github.com/usememos/memos
- github.com/usememos/memos/blob/v0.24.0/server/router/api/v1/user_service.go
- github.com/usememos/memos/blob/v0.24.4/server/router/api/v1/resource_service.go
- nvd.nist.gov/vuln/detail/CVE-2025-56761
- www.sonarsource.com/blog/securing-go-applications-with-sonarqube-real-world-examples
Code Behaviors & Features
Detect and mitigate CVE-2025-56761 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →