Threat intelligence

MailerPress <= 2.0.4 - Authenticated (Author+) Stored Cross-Site Scripting via Campaign HTML Content Field

CVE-2026-8599 · mailerpress

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

Vulnerability: MailerPress <= 2.0.4 - Authenticated (Author+) Stored Cross-Site Scripting via Campaign HTML Content Field
Affected software: mailerpress(Plugin)
Affected versions: ≤ 2.0.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-8599
Published: 8 June 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 c52cadb2-703f-4aad-85f2-aec1dd4befdc). Methodology and redistribution notes

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