THREATPORT/VULNERABILITY/CVE-2015-4455
CRITICAL SEVERITY

CVE-2015-4455

Aviary Image Editor Add On For Gravity Forms vulnerability

CVSS
9.8
EPSS
40.6%
EPSS pct
99th
Exploited
No known
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.
Affected vendor
Aviary Image Editor Add On For Gravity Forms Project
Affected product
Aviary Image Editor Add On For Gravity Forms
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2017-05-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 40.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2015-4455

  • Confirm whether Aviary Image Editor Add On For Gravity Forms Project Aviary Image Editor Add On For Gravity Forms is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-4455.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-4455

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-4455 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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