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OpenAdvisories
High · 7.5 CVE-2026-77807 EUVD-2026-75889GHSA-w97p-m43x-6fh6

AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter

Published Sep 10, 2026 · Updated Sep 11, 2026 · Assigned by Wordfence

Description

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires "Embed images" option in AcyMailing configuration being enabled.

Affected products

VendorProductAffectedFixed
acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress ≤ 11.0.4 —

References