CVE-2023-0109: Stored XSS in usememos/memos

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-11-15 · updated 2026-06-17
Weakness: CWE-79

Description

A stored cross-site scripting (XSS) vulnerability was discovered in usememos/memos version 0.9.1. This vulnerability allows an attacker to upload a JavaScript file containing a malicious script and reference it in an HTML file. When the HTML file is accessed, the malicious script is executed. This can lead to the theft of sensitive information, such as login credentials, from users visiting the affected website. The issue has been fixed in version 0.10.0.

Affected products

usememos/memos: 0.9.1

References

https://github.com/usememos/memos/commit/46c13a4b7f675b92d297df6dabb4441f13c7cd9c
https://huntr.com/bounties/1899ffb2-ce1e-4dc0-af96-972612190f6e

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