{"cve":"CVE-2023-52240","nvd":{"published":"2023-12-29T22:15:37.070","modified":"2026-06-17T06:42:22.417","status":"Modified","description":"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.)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://kantega-sso.atlassian.net/wiki/spaces/KSE/pages/1226473473/Security+Vulnerability+HTML+injection+Cross-site+scripting+in+SAML+POST+binding+Kantega+SSO+Enterprise","https://marketplace.atlassian.com/apps/1211923/kantega-saml-sso-oidc-kerberos-single-sign-on-for-jira?hosting=datacenter&tab=versions","https://marketplace.atlassian.com/apps/1212126/kantega-saml-sso-oidc-kerberos-single-sign-on-for-confluence?hosting=datacenter&tab=overview","https://marketplace.atlassian.com/apps/1213019/kantega-saml-sso-oidc-kerberos-single-sign-on-for-bitbucket?hosting=datacenter&tab=overview","https://marketplace.atlassian.com/apps/1215262/kantega-saml-sso-oidc-kerberos-single-sign-on-for-bamboo?hosting=datacenter&tab=overview"],"products":["kantega-sso:kantega_saml_sso_oidc_kerberos_single_sign-on"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2023-52240","score":0.00495,"percentile":0.42467,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}