Aviary Image Editor - RCE (CVE-2015-4455)
204Exploiting 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.
CrowdSec network data shows that most actors exploiting CVE-2015-4455 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. CrowdSec data also reveals a clear uptick in attacks involving CVE-2015-4455 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Attacks are characterized by requests to URLs that include /?gf_page=upload.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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