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CVE-2017-12158
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker…
Medium5.4EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
- affected 3.4.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.keycloak:keycloak-parentGHSA-v38p-mqq3-m6v5 (opens in a new tab)
References (5)
- RHSA-2017:2904 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:2905 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:2906 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1489161 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 101618 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-v38p-mqq3-m6v5 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2017-12158)Record last updated .