{"id":"CVE-2026-59239","summary":"Stored XSS in Prospero Flow CRM email body allows administrator account takeover","details":"Stored Cross-site Scripting (CWE-79) in the email module in Roskus Prospero Flow CRM before 5.4.4 allows a remote, authenticated low-privileged user to execute arbitrary JavaScript in another user's browser, including administrators, leading to session compromise and account takeover, via a payload stored in an email body that is persisted without sanitization and rendered unescaped with {!! $email-\u003ebody !!} when the recipient opens the message.","modified":"2026-07-29T03:47:27.784790422Z","published":"2026-07-27T17:56:08.882Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59239.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"1.0.0"},{"fixed":"5.4.4"}]},{"source":"CPE_FIELD","extracted_events":[{"introduced":"1.0.0"},{"fixed":"5.4.4"}]},{"source":"DESCRIPTION","extracted_events":[{"fixed":"5.4.4"}]}],"cna_assigner":"Secur0"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59239.json"},{"type":"ADVISORY","url":"https://github.com/Roskus/prospero-flow-crm/releases"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59239"},{"type":"FIX","url":"https://github.com/Roskus/prospero-flow-crm/commit/32efcd5c395ee55119fb9aea502a9d06e4c5adb8"},{"type":"PACKAGE","url":"https://github.com/Roskus/prospero-flow-crm"},{"type":"ARTICLE","url":"https://secur0.com/en/cna/cve-list/cve-2026-59239-stored-xss-in-prospero-flow-crm-email-body-allows-administrator-account-takeover"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/roskus/prospero-flow-crm","events":[{"introduced":"0"},{"fixed":"32efcd5c395ee55119fb9aea502a9d06e4c5adb8"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v4.6.0","v2.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59239.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:L/SA:N"}]}