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Fencer Vulns
critical 9.8

CVE-2023-0109 json

Stored XSS in usememos/memos

published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also GHSA-5r2g-59px-3q9w , GO-2024-3274 , EUVD-2024-3199

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/usememos/memos 0.10.0
  • usememos usememos/memos 0.10.0
  • usememos memos 0.10.0
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20241119T173509-1.1

opensuse advisories openSUSE-SU-2024:14513-1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.com https://huntr.com/bounties/1899ffb2-ce1e-4dc0-af96-972612190f6e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
go github.com/usememos/memos
<0.10.0
0.10.0

Affected products

  • usememos usememos/memos
  • usememos memos

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.