CVE-2025-10044
Keycloak error_description injection on error pages that can trigger phishing attacks
4.3
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
Keycloak’s account console accepts arbitrary text in the `error_description` query parameter. This text is directly rendered in error pages without validation or sanitization. While HTML encoding prevents XSS, an attacker can craft URLs with misleading messages (e.g., fake support phone numbers or URLs), which are displayed within the trusted Keycloak UI. This creates a phishing vector, potentially tricking users into contacting malicious actors.
How to fix CVE-2025-10044
To remediate CVE-2025-10044, upgrade the affected package to a fixed version below.
- —upgrade to 26.2.9 or later
- —upgrade to 26.2.9 or later
Is CVE-2025-10044 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 26.2.9
- from 0, < 26.2.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |