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Fencer Vulns
high 7.1

CVE-2022-0087 json

Cross-site Scripting (XSS) - Reflected in keystonejs/keystone

published 2022-01-11 4 y ago modified 2026-06-17 4 mo ago also GHSA-hrgx-7j6v-xj82 , EUVD-2022-0620

cvss
7.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known, plus a Nuclei check

Summary

keystone is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Patch / fix

  • npm @keystone-6/auth 1.0.2
  • keystonejs keystonejs/keystone @keystone-6/auth@1.0.2

Exploit prediction

2.75% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Keystone 6 Login Page - Open Redirect and Cross-Site Scripting nuclei detection template
  • huntr.dev https://huntr.dev/bounties/c9d7374f-2cb9-4bac-9c90-a965942f413e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 7.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
npm @keystone-6/auth
<1.0.2
1.0.2
npm @keystone-next/auth
<=37.0.0
 no fix listed

Affected products

  • keystonejs keystonejs/keystone

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.