CVE-2023-52240 json
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.
published 2023-12-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56913
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
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.)
Patch / fix
- kantega-sso kantega_saml_sso_oidc_kerberos_single_sign-on 4.14.9, 5.11.5, 6.20.0
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
kantega-sso.atlassian.net
/wiki/spaces/KSE/pages/1226473473/Security+Vulnerability+HTML+injection+Cross-site+scripting+in+SAML+POST+bind
vendor-advisory
-
marketplace.atlassian.com
/apps/1211923/kantega-saml-sso-oidc-kerberos-single-sign-on-for-jira?hosting=datacenter&tab=versions
product
-
marketplace.atlassian.com
/apps/1212126/kantega-saml-sso-oidc-kerberos-single-sign-on-for-confluence?hosting=datacenter&tab=overview
product
-
marketplace.atlassian.com
/apps/1213019/kantega-saml-sso-oidc-kerberos-single-sign-on-for-bitbucket?hosting=datacenter&tab=overview
product
-
marketplace.atlassian.com
/apps/1215262/kantega-saml-sso-oidc-kerberos-single-sign-on-for-bamboo?hosting=datacenter&tab=overview
product
-
marketplace.atlassian.com
/apps/1215263/kantega-saml-sso-oidc-kerberos-single-sign-on-for-fecru?hosting=server&tab=overview
product
Sources
- CVE List CVE-2023-52240
- NVD CVE-2023-52240
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.