Aviary Image Editor - RCE (CVE-2015-4455)
203Exploiting IPs reported
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.
CrowdSec analysis
CVE-2015-4455 is a critical vulnerability in the Aviary Image Editor Add-on for Gravity Forms on WordPress, enabling attackers to upload files with executable extensions and achieve remote code execution.
CrowdSec has been tracking this vulnerability and its exploits since 7th of April 2025.
According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2015-4455 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2015-4455 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2015-4455 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.
Attacks are characterized by requests to URLs that include /?gf_page=upload.
Exploitation
Get real-time information about exploitation attempts and actors involved.
Common Weakness Enumeration (CWE)
Protection
Find out relevant information to protect your stack against this CVE.
Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
To increase your protection against this CVE, block exploitation attempts with this list of identified actors.