CVE-2025-12974— Gravity Forms <= 2.9.21.1 - Unauthenticated Arbitrary File Upload via Legacy Chunked Upload
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I. Basic Information for CVE-2025-12974
Vulnerability Information
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Vulnerability Title
Gravity Forms <= 2.9.21.1 - Unauthenticated Arbitrary File Upload via Legacy Chunked Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the legacy chunked upload mechanism in all versions up to, and including, 2.9.21.1. This is due to the extension blacklist not including .phar files, which can be uploaded through the chunked upload mechanism. This makes it possible for unauthenticated attackers to upload executable .phar files and achieve remote code execution on the server, granted they can discover or enumerate the upload path. In order for an attacker to achieve RCE, the web server needs to be set up to process .phar file as PHP via file handler mapping or similar.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Gravity Forms 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Gravity Forms 2.9.21.1及之前版本存在代码问题漏洞，该漏洞源于缺少文件类型验证，可能导致任意文件上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Gravity Forms | Gravity Forms | * ~ 2.9.21.1 | - |
II. Public POCs for CVE-2025-12974
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Gravity Forms
- CVE-2026-5110
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5111
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5109
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5112
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5113
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site
Same vendor: Gravity Forms
- CVE-2026-5110
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5111
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5109
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5112
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site - CVE-2026-5113
Gravity Forms <= 2.10.0 - Unauthenticated Stored Cross-Site
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
V. Comments for CVE-2025-12974
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