CVE-2026-23794
Apache Syncope: Reflected XSS on Enduser Login
6.8
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.
How to fix CVE-2026-23794
To remediate CVE-2026-23794, upgrade the affected package to a fixed version below.
- —upgrade to 3.0.16 or later
Is CVE-2026-23794 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.0.0, < 3.0.16
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N |