Directory Traversal Vulnerability in AcyMailing Plugin for WordPress
CVE-2026-77807

7.5HIGH

Key Information:

Vendor

WordPress
Status
Acymailing – An Ultimate Newsletter Plugin And Marketing Automation Solution For WordPress
Vendor
CVE Published:
10 September 2026

What is CVE-2026-77807?

The AcyMailing plugin for WordPress is susceptible to a Directory Traversal vulnerability that allows unauthenticated attackers to access and read sensitive files on the server. This issue arises through the manipulation of the user[name] parameter and affects all versions of the plugin up to and including 11.0.4. If the 'Embed images' option is enabled within the AcyMailing configuration, the risk of exploitation increases, allowing malicious actors to possibly expose sensitive information stored on the server.

Affected Version(s)

AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress 0 <= 11.0.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3679457/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo
.