The MailerPress – Email Marketing, Newsletter, Email Automation & WooCommerce Emails plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Campaign HTML Content Field in all versions up to, and including, 2.0.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The public-facing campaign preview endpoint (/mp-email/{id}-slug/) is not affected by this vulnerability, as it applies a Content-Security-Policy header blocking all inline scripts; exploitation is limited to the admin dashboard preview.
Metrics
Affected Vendors & Products
References
History
Tue, 09 Jun 2026 08:45:00 +0000
Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-06-09T07:49:57.903Z
Reserved: 2026-05-14T14:57:19.613Z
Link: CVE-2026-8599
No data.
Status : Received
Published: 2026-06-09T09:16:31.170
Modified: 2026-06-09T09:16:31.170
Link: CVE-2026-8599
No data.
OpenCVE Enrichment
Updated: 2026-06-09T09:30:36Z