keycloak Self Stored Cross-site Scripting vulnerability
A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.keycloak:keycloak-core | < 13.0.0 | 13.0.0 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H- Weakness (CWE)
CWE-116, CWE-20, CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.keycloak:keycloak-core- Disclosed
- 08.06.2021
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-q6w2-89hq-hq27 - CC BY 4.0
Vulnerability history: org.keycloak:keycloak-core
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.
- Total entries
- 49
- First → latest
- 10.2018 02.2025
- Without a fix
- 5
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 14
- Medium 31
- Low 1
Disclosures per year
- 2018: 9
- 2019: 4
- 2020: 4
- 2021: 5
- 2022: 17
- 2023: 4
- 2024: 5
- 2025: 1
- 2026: 0
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keycloak Self Stored Cross-site Scripting vulnerability this entry
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