CVE-2015-4455

CRITICAL

Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on For Gravity Forms plugin 3.0 beta for WordPress allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in wp-content/uploads/gform_aviary.

Published: May 23, 2017 Modified: Jun 17, 2026

CWE-434

CVSS Metrics

CVSSv3

Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor	Product	Version
aviary_image_editor_add-on_for_gravity_forms_project	aviary_image_editor_add-on_for_gravity_forms	*

GitHub Security Advisory GHSA-548f-66xm-vfq4

Unrestricted file upload vulnerability in includes/upload.php in the Aviary Image Editor Add-on...

References (4)

http://packetstormsecurity.com/files/132256/WordPress-Aviary-Image-Editor-Add-On-For-Gravity-Forms-3.0-Beta-Shell-Upload.html Exploit, Third Party Advisory
http://www.vapid.dhs.org/advisory.php?v=125 Exploit, Third Party Advisory
http://packetstormsecurity.com/files/132256/WordPress-Aviary-Image-Editor-Add-On-For-Gravity-Forms-3.0-Beta-Shell-Upload.html Exploit, Third Party Advisory
http://www.vapid.dhs.org/advisory.php?v=125 Exploit, Third Party Advisory

Risk Scores

CVSS Score 9.8 / 10

EPSS Score 40.60%

Top 1% most likely to be exploited

Threat Score 51.4 / 100

Data Sources

NVD EPSS GitHub