CVE-2023-52240

The Kantega SAML SSO OIDC Kerberos Single Sign-on apps before 6.20.0 for Atlassian products allow...

6.1 Medium

The Kantega SAML SSO OIDC Kerberos Single Sign-on apps before 6.20.0 for Atlassian products allow XSS if SAML POST Binding is enabled. This affects 4.4.2 through 4.14.8 before 4.14.9, 5.0.0 through 5.11.4 before 5.11.5, and 6.0.0 through 6.19.0 before 6.20.0. The full product names are Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Confluence Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Bitbucket Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Bamboo Data Center & Server (Kantega SSO Enterprise), and Kantega SAML SSO OIDC Kerberos Single Sign-on for FeCru Server (Kantega SSO Enterprise). (Here, FeCru refers to the Atlassian Fisheye and Crucible products running together.)

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.50%Up 0.5 points since Dec 30, 2023

What each source reports

NVD Score used 6.1

Record: CVE-2023-52240
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-52240
Updated: 2026-11-02

EUVDEUVD-2023-56913 No score

Record: EUVD-2023-56913
Updated: 2026-11-03

GitHub AdvisoriesGHSA-988m-998x-3cxx 6.1

The Kantega SAML SSO OIDC Kerberos Single Sign-on apps before 6.20.0 for Atlassian products allow...

Record: GHSA-988m-998x-3cxx
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

kantega-sso kantega saml sso oidc kerberos single sign-on

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-52240 is a medium vulnerability (CVSS 6.1) in Kantega-sso Kantega Saml Sso Oidc Kerberos Single Sign-on, published December 29, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. No source names a fixed version.