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Medium

Cross-site Scripting in Keycloak

  • Disclosed: 09.02.2022
  • Updated: 11.10.2026 11:21

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.keycloak:keycloak-parent < 10.0.2 10.0.2

References

CVSS score 6.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-79
Platform
Java / Kotlin (Maven)
Package
org.keycloak:keycloak-parent
Disclosed
09.02.2022
Updated
11.10.2026 11:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-hgpg-593r-hhvp - CC BY 4.0

Vulnerability history: org.keycloak:keycloak-parent

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (26) in the archive
Total entries
26
First → latest
05.2021 02.2026
Without a fix
6
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 12
  • Medium 10
  • Low 2

Disclosures per year

Severity:
  1. Keycloak Cross-site Scripting on OpenID connect login service
    High · 8.1 CVE-2022-4137 < 20.0.5 20.0.5
  2. Keycloak vulnerable to path traversal via double URL encoding
    Critical · 9.1 CVE-2022-3782 < 20.0.2 20.0.2
  3. Keycloak SAML javascript protocol mapper: Uploading of scripts through admin console
    High · 7.2 CVE-2022-2668 < 19.0.2 19.0.2
  4. Incorrect implementation of lockout feature in Keycloak
    High · 7.5 CVE-2021-3513 < 13.0.0 13.0.0
  5. Visualizer: Tables and Charts Manager for WordPress <= 3.7.9 - Authenticated (Contributor+) PHAR Deserialization
    High · 8.8 CVE-2022-2256 < 19.0.2 19.0.2
  6. Keycloak Authentication Error
    Critical · 9.8 CVE-2019-14910 >= 7.0.0, <= 7.0.1 no fix
  7. Keycloak Authentication Error
    High · 8.3 CVE-2019-14909 >= 7.0.0, <= 7.0.1 no fix
  8. Keycloak CSRF Vulnerability
    High · 7.5 CVE-2017-12159 < 3.4.0 3.4.0
  9. Keycloak Oauth Implementation Error
    High · 7.2 CVE-2017-12160 < 3.3.0.Final 3.3.0.Final
  10. Keycloak Improper Bruteforce Detection
    High · 8.1 CVE-2018-14657 < 4.6.0.Final 4.6.0.Final
  11. Keycloak insufficient session expiration
    High · 7.1 CVE-2021-3461 < 14.0.0 14.0.0
  12. Path Traversal
    High · 7.5 CVE-2020-14366 < 12.0.0 12.0.0
  13. Allocation of Resources Without Limits or Throttling in Keycloak
    High · 7.5 CVE-2020-10758 < 11.0.1 11.0.1
  14. Cross-site Scripting in Keycloak this entry
    Medium · 6.1 CVE-2020-10748 < 10.0.2 10.0.2
  15. Code injection in keycloak
    High · 8.3 CVE-2021-20222 >= 9.0.0, < 12.0.3 12.0.3

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