CVE-2025-56761

State: Published
Severity: 5.4 Medium
Published: Sep 3, 2025
Updated: Sep 4, 2025
Reserved: Aug 17, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/usememos/memos/blob/v0.24.4/server/router/api/v1/resource_service.go#L48
https://github.com/usememos/memos/blob/v0.24.0/server/router/api/v1/user_service.go#L147
https://www.sonarsource.com/blog/securing-go-applications-with-sonarqube-real-world-examples/

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