Arbitrary file upload in Aviary Image Editor Add-On For Gravity Forms Project

CVE-2015-4455

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.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.406 (98.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2015-4455: held from 0.406 to 0.406.

EPSS over last 30 days · oldest: 0.406 · newest: 0.406 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-4455?
CVE-2015-4455 is a critical-severity vulnerability in Aviary Image Editor Add-On For Gravity Forms Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2017-05-23.
How severe is CVE-2015-4455?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-4455 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.