CVE-2026-77807CWE-22path-traversal

CVE-2026-77807

High · published September 11, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
60.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00928 · 60.2th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-09-11T04:19Z
References (2)
https://plugins.trac.wordpress.org/changeset/3679457/ · [email protected]https://www.wordfence.com/threat-intel/vulnerabilities/id/19a9b952-84db-4911-bb50-52d74ec01cb8?source=cve · [email protected]
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 1%
    epss
  • 10 SEP 23:27Z
    AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter
    cvelistv5