CVE-2015-4455

critical

Published 2017-05-23 · Modified 2026-05-13

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CVSS v3

9.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-37275 webapps php

Larry W. Cashdollar · 2015-06-12

WordPress Plugin Aviary Image Editor Addon For Gravity Forms 3.0 Beta - Arbitrary File Upload

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
aviary_image_editor_add-on_for_gravity_forms_project	aviary_image_editor_add-on_for_gravity_forms	`{"endIncluding":"3.0"}`

References

CWEs

CWE-434

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.