CVE-2026-78274CWE-434unrestricted-file-upload

CVE-2026-78274

Critical · published August 27, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
41.9
In the wild
Unconfirmed
What it is

Editor Arbitrary File Upload in Fluent Boards Pro <= 2.0.11 versions.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00499 · 41.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-08-27T14:16Z
References (1)
https://patchstack.com/database/wordpress/plugin/fluent-boards-pro/vulnerability/wordpress-fluent-boards-pro-plugin-2-0-11-arbitrary-file-upload-vulnerability?_s_id=cve · [email protected]
EPSS history
Timeline
  • 28 AUG 06:53Z
    EPSS moved — → 0%
    epss
  • 27 AUG 08:59Z
    WordPress Fluent Boards Pro plugin <= 2.0.11 - Arbitrary File Upload vulnerability
    cvelistv5