CVE-2026-77807
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductAcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
PublishedSep 11, 2026
First seenSep 11, 2026
Weakness typeCWE-22Path traversal
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress | v ≤ 11.0.4 | — |
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