CVE-2026-59239 — Stored XSS in Prospero Flow CRM email body allows administrator account takeover
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 JavaScr…
Published: 2026-07-27 · CVSS: 8.6 · CVSS 4.0
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->body !!} when the recipient opens the message.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7