Read the docs
TI-2022-04447 Aliases CVE-2022-4851GHSA-42q2-m54f-jh95

Improper Handling of Values in usememos/memos

Priority MEDIUM 57CWE-229Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Improper Handling of Values in GitHub repository usememos/memos prior to 0.9.1.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00824 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed usememos/memos (usememos): 0.9.1github.com/usememos/memos (Go): 0.9.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
usememosusememos/memosbefore 0.9.10.9.1Patch availableCNA
—github.com/usememos/memos (Go)before 0.9.10.9.1Patch availableGHSA-42q2-m54f-jh95
  • usememos/memos Vendorusememos Affected before 0.9.1 Fixed in 0.9.1 Patch available CNA
  • github.com/usememos/memos (Go) Vendor— Affected before 0.9.1 Fixed in 0.9.1 Patch available GHSA-42q2-m54f-jh95

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*before 0.9.1Vulnerableusememos
  • cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:* Versions before 0.9.1 Vulnerable ·usememos

Remediation

  • Fix · CNA usememos/memos (usememos) Fixed in 0.9.1
  • Fix · GHSA-42q2-m54f-jh95 github.com/usememos/memos (Go) Fixed in 0.9.1 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    usememos/memos 0.9.1

    11 records Highest priority Priority HIGH 4 HIGH, 7 MEDIUM

    Other records, highest priority first

    • TI-2022-04440 Cross-Site Request Forgery (CSRF) in usememos/memosPriority HIGH 71
    • TI-2022-04437 Cross-site Scripting (XSS) - Stored in usememos/memosPriority HIGH 66
    • TI-2022-04436 Cross-site Scripting (XSS) - Stored in usememos/memosPriority HIGH 66
    Show all 11 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4851
  2. 2026-10-03 Alias added: GHSA-42q2-m54f-jh95

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • TI-2025-32234 The Memos application, up to version v0.24.3, allows for the embedding of markdown images… CVSS 3.1CRITICAL 9.8
  • TI-2025-16796 elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to… CVSS 3.1CRITICAL 9.8
  • TI-2023-04328 Improper Access Control in usememos/memos CVSS 3.1CRITICAL 9.8
  • TI-2022-04459 Cross-site Scripting (XSS) - Stored in usememos/memos CVSS 3.1CRITICAL 9.0
  • TI-2022-04458 Cross-site Scripting (XSS) - Stored in usememos/memos CVSS 3.1CRITICAL 9.0
  • TI-2022-04283 Authorization Bypass Through User-Controlled Key in usememos/memos CVSS 3.1CRITICAL 9.8
See all 72 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences