{"id":54468,"date":"2025-06-23T22:31:43","date_gmt":"2025-06-23T22:31:43","guid":{"rendered":""},"modified":"2025-08-31T21:18:42","modified_gmt":"2025-09-01T03:18:42","slug":"cve-2025-49444-exploiting-unrestricted-file-upload-vulnerability-in-reformer-for-elementor","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49444-exploiting-unrestricted-file-upload-vulnerability-in-reformer-for-elementor\/","title":{"rendered":"CVE-2025-49444: Exploiting Unrestricted File Upload Vulnerability in Reformer for Elementor<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

Unrestricted file uploads are a serious security concern, yet they often go overlooked. The ability to upload a file with a dangerous type can lead to a variety of exploits, including the compromise of an entire system. A newly discovered vulnerability (CVE-2025-49444) in the Reformer for Elementor plugin exploits this very issue, giving attackers the potential to upload a web<\/a> shell to a web server. This vulnerability affects all Reformer for Elementor versions<\/a> up to 1.0.5, and its severity is underscored by a CVSS Severity Score of 10.0, indicating the highest level of threat.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-49444
\nSeverity: Critical (CVSS: 10.0)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Complete system compromise and potential<\/a> data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Reformer for Elementor | Up to 1.0.5<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability lies in the unrestricted file<\/a> upload functionality of the Reformer for Elementor plugin. By design, this feature allows users to upload files<\/a> to the server. However, due to a lack of proper validation and sanitization, an attacker can upload a file<\/a> with a dangerous type such as a web shell. A web shell is a script that, once uploaded to a web server, enables remote<\/a> administration of the machine. This could lead to total system<\/a> compromise or leakage of sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here is a conceptual example of how this vulnerability could be exploited. The attacker crafts a malicious request to the server<\/a>, containing a web shell payload:<\/p>\n

POST \/upload HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=\"file\"; filename=\"shell.php\"\nContent-Type: application\/x-php\n\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=\"submit\"\nUpload\n------WebKitFormBoundary7MA4YWxkTrZu0gW--<\/code><\/pre>\n
In this example, `shell.php` is a simple web shell that executes commands<\/a> passed via the `cmd` query parameter. Once the file is uploaded, the attacker can execute arbitrary commands<\/a> on the server by accessing the uploaded shell script in a web browser.<\/p>\n
Mitigation<\/strong><\/p>\n
The best way to mitigate this vulnerability<\/a> is to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These tools can monitor and filter out potential attacks<\/a> based on known attack patterns. However, they are not a substitute for proper patching and should be used as a stopgap measure until the patch is applied.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview Unrestricted file uploads are a serious security concern, yet they often go overlooked. The ability to upload a file with a dangerous type can lead to a variety of exploits, including the compromise of an entire system. A newly discovered vulnerability (CVE-2025-49444) in the Reformer for Elementor plugin exploits this very issue, giving attackers […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-54468","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t