CVE-2026-77807
AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | acyba |
| Product | acymailing – an ultimate newsletter plugin and marketing automation solution for wordpress |
| Published | Sep 10, 2026 |
| Last Updated | Sep 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
acyba / AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
0 ≤ 11.0.4
References
Credits
daroo