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HIGH

CVE-2026-77807

CVSS v3

7.5

HIGH

EPSS Score

0.9 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-11
Last Modified
2026-09-11

Frequently asked questions

What is CVE-2026-77807?

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.

Is CVE-2026-77807 actively exploited?

Active exploitation of CVE-2026-77807 has not been confirmed. Its EPSS score was 0.9% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-77807?

CVE-2026-77807 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-77807 affecting your environment?

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