CVE-2026-23794
Published:February 03, 2026
Updated:June 13, 2026
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.
Affected Packages
https://github.com/apache/syncope.git (GITHUB):
Affected version(s) >=syncope-4.0.0 <syncope-4.0.4Fix Suggestion:
Update to version syncope-4.0.4https://github.com/apache/syncope.git (GITHUB):
Affected version(s) >=syncope-3.0.0-M0 <syncope-3.0.16Fix Suggestion:
Update to version syncope-3.0.16org.apache.syncope.client.idrepo:syncope-client-idrepo-common-ui (JAVA):
Affected version(s) >=4.0.0 <4.0.4Fix Suggestion:
Update to version 4.0.4org.apache.syncope.client.idrepo:syncope-client-idrepo-common-ui (JAVA):
Affected version(s) >=3.0.0 <3.0.16Fix Suggestion:
Update to version 3.0.16Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.05