EverPress CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

CRITICAL EverPress CVE published 2026-07-23

CVE-2026-27064

The Mailster plugin for WordPress, version 4.1.17 and possibly earlier, contains a critical vulnerability allowing for arbitrary file uploads. This issue, tracked as CVE-2026-27064, has been assessed with a CVSS score of 9.1, indicating a high severity level. The vulnerability is exploitable over the network with low attack complexity, requiring high privileges but no user interaction. Successful exploita [truncated]