Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-4866

28
FAUCET Score

CVE-2022-4866 is a critical stored Cross-site Scripting (XSS) vulnerability affecting usememos/memos prior to version 0.9.1. An attacker with low privileges can exploit this vulnerability over the network with low complexity, leading to high impacts on confidentiality, integrity, and availability. While rated as critical with a CVSS score of 9.0, there is currently no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.1CPE matchmatch criteria
cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.99%
Probability of exploitation in next 30 days
EPSS Percentile
58.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0099 is in the 68th percentile among its peer group of 265 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/usememos/memosFixed in: 0.9.1

Vendor Advisories (1)

goGHSA-x9p9-v3x6-68mqcritical

usememos/memos vulnerable to Cross-site Scripting

Dec 31, 2022

References

github.com / usememos/memos/commit/7670c9536000bb32c6345d4906a91268dcddd5fc
PatchThird Party Advisory
huntr.dev / bounties/39c04778-6228-4f07-bdd4-ab17f246dbff
ExploitThird Party Advisory