CVE-2026-77807
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk50th percentile - higher than 50% of all known CVEs
Summary
The AcyMailing plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` parameter. This allows unauthenticated attackers to read arbitrary files on the server. Exploitation requires the "Embed images" option to be enabled.
Risk Assessment
An attacker could access sensitive information such as configuration files or credentials, potentially leading to further system compromise.
Recommendation
Update the AcyMailing plugin to a version newer than 11.0.4 once available, or disable the "Embed images" option.
Other vulnerabilities in AcyMailing
See all- CVE-2026-15426High
The AcyMailing plugin for WordPress up to version 10.11.1 has an authorization bypass vulnerability. An authenticated attacker with subscriber-level access can overwrite the BCC field of the acy_notification_cms notification template, causing WordPress password reset emails, including those for administrators, to be silently copied to an attacker-controlled address, enabling account takeover.
- CVE-2026-56292High
A SQL Injection vulnerability in the AcyMailing extension for Joomla versions below 10.11.1 allows unauthorized database access and data leakage.
- CVE-2026-12170Medium
The AcyMailing plugin for WordPress up to version 10.10.2 is vulnerable to Stored Cross-Site Scripting via the 'alignment' attribute due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts that execute whenever a user accesses an injected page.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS