CVE-2026-23794

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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:syncope::::::::
	cpe:2.3:a:apache:syncope::::::::

History

17 Jun 2026, 10:22

Type	Values Removed	Values Added
Summary		(es) XSS Reflejado en la página de inicio de sesión de usuario final de Apache Syncope. Un atacante que engaña a un usuario legítimo para que haga clic en un enlace malicioso y se conecte a Syncope Enduser podría robar las credenciales de ese usuario. Este problema afecta a Apache Syncope: desde la 3.0 hasta la 3.0.15, desde la 4.0 hasta la 4.0.3. Se recomienda a los usuarios actualizar a la versión 3.0.16 / 4.0.4, que corrige este problema.

06 Feb 2026, 14:44

Type	Values Removed	Values Added
CPE		cpe:2.3:a:apache:syncope::::::::
First Time		Apache syncope Apache
References	~~() https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo -~~	() https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo - Mailing List, Third Party Advisory
References	~~() http://www.openwall.com/lists/oss-security/2026/02/02/1 -~~	() http://www.openwall.com/lists/oss-security/2026/02/02/1 - Mailing List, Third Party Advisory

03 Feb 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-03 16:16

Updated : 2026-06-17 10:22

NVD link : CVE-2026-23794

Mitre link : CVE-2026-23794

CVE.ORG link : CVE-2026-23794

JSON object : View

Products Affected

apache

syncope

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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