GHSA-v84m-gfw5-hm2w · Severity: medium · Ecosystem: maven — Apache Syncope: Reflected XSS on Enduser Login
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.
Conclusion & alert: CVE-2026-23794 is rated Low Risk (33/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-05 | 0.03% | 0.05% | +0.02% |
| 2 | 2026-02-04 | — | 0.03% | — |
Full EPSS history (2 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 3.1 | MEDIUM |
|
2.3 | 4.0 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-v84m-gfw5-hm2w · Severity: medium · Ecosystem: maven — Apache Syncope: Reflected XSS on Enduser Login
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2026/02/02/1 | Mailing List Third Party Advisory |