Gravityforms <= 1.8.19 - Arbitrary File Upload

9.8
Unrestricted Upload of File with Dangerous Type
CVSS 9.8 (Critical)
Publicly Published February 26, 2015
Last Updated November 23, 2022

Description

The Gravityforms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation via the includes/upload.php file in versions up to, and including, 1.8.19. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

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Vulnerability Details for Gravity Forms

Software Type Plugin
Software Slug gravityforms
Patched? Yes
Remediation Update to version 1.8.20, or a newer patched version
Affected Version
  • < 1.8.20
Patched Version
  • 1.8.20

Recent vulnerabilities in Gravity Forms

# Title CVE ID CVSS Researchers Date
1 Gravity Forms <= 3.1.0.4 - Unauthenticated Arbitrary File Upload via Hidden File Upload Field CVE-2026-84434 9.8 0xd4rk5id3 September 18, 2026
2 Gravity Forms <= 2.10.5 - Unauthenticated Stored Cross-Site Scripting via Post Body Field Value CVE-2026-16649 7.2 daroo September 4, 2026
3 Gravity Forms <= 3.0.2 - Unauthenticated Arbitrary File Upload via State/Chunk Hash Confusion CVE-2026-19513 8.1 Alex Thomas, Wordfence Argus September 1, 2026
4 Gravity Forms <= 2.10.4 - Unauthenticated Arbitrary File Read via 'gform_uploaded_files' Parameter CVE-2026-12997 7.5 daroo July 15, 2026
5 Gravity Forms <= 2.10.0.1 - Unauthenticated Arbitrary File Deletion CVE-2026-48866 9.1 daroo June 1, 2026
6 Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site Scripting via Calculation Product Field in Repeater CVE-2026-5112 7.2 Luc Huynh from Noventiq RedTeam May 1, 2026
7 Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site Scripting via Product Option CVE-2026-5109 7.2 Luc Huynh from Noventiq RedTeam May 1, 2026
8 Gravity Forms <= 2.9.30 - Unauthenticated Stored Cross-Site Scripting via Consent Field Hidden Input CVE-2026-5113 7.2 Luc Huynh from Noventiq RedTeam May 1, 2026
9 Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site Scripting via Hidden Product Field in Repeater CVE-2026-5111 7.2 Luc Huynh from Noventiq RedTeam May 1, 2026
10 Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site Scripting via Single Product Field Inside Repeater CVE-2026-5110 7.2 Luc Huynh from Noventiq RedTeam May 1, 2026

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