Threat intelligence

Sprout Clients – CRM and Lead Management <= 3.2.3 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-57428 · sprout-clients

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Sprout Clients at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Sprout Clients – CRM and Lead Management <= 3.2.3 - Unauthenticated Stored Cross-Site Scripting
Affected software: sprout-clients(Plugin)
Affected versions: ≤ 3.2.3
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-57428
Published: 16 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 5fd449d7-d14e-46d6-851c-828207c3c302). Methodology and redistribution notes

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