CVE-2009-4444

Microsoft Internet Information Services IIS 5.x and 6.x uses only the portion of a filename before a ; semicolon character to determine the file extension, which allows remote attackers to bypass intended extension restrictions of third-party upload applications via a filename with a 1 .asp, 2...

CVE-2022-0687

The Amelia WordPress plugin before 1.0.47 stores image blobs into actual files whose extension is controlled by the user, which may lead to PHP backdoors being uploaded onto the site. This vulnerability can be exploited by logged-in users with the custom "Amelia Manager" role...

CVE-2019-11401

A issue was discovered in SiteServer CMS 6.9.0. It allows remote attackers to execute arbitrary code because an administrator can add the permitted file extension .aassp, which is converted to .asp because the "as" substring is deleted...

CVE-2020-10212

upload.php in Responsive FileManager 9.13.4 and 9.14.0 allows SSRF via the url parameter because file-extension blocking is mishandled and because it is possible for a DNS hostname to resolve to an internal IP address. For example, an SSRF attempt may succeed if a .ico filename is added to the...

CVE-2019-7838

ColdFusion versions Update 3 and earlier, Update 10 and earlier, and Update 18 and earlier have a file extension blacklist bypass vulnerability. Successful exploitation could lead to arbitrary code execution...

CVE-2024-2565

A vulnerability was found in PandaXGO PandaX up to 20240310. It has been classified as critical. Affected is an unknown function of the file /apps/system/router/upload.go of the component File Extension Handler. The manipulation of the argument file leads to unrestricted upload. It is possible to...

CVE-2023-53980 ProjectSend r1605 Remote Code Execution via File Extension Manipulation

ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server...

CVE-2023-53980

ProjectSend r1605 is affected by a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions via the upload.process.php endpoint, enabling execution of arbitrary commands on the server. The issue, described across multiple sources, stems f...

CVE-2023-53980 ProjectSend r1605 Remote Code Execution via File Extension Manipulation

ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server...

CVE-2023-53924

UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution...

CVE-2025-68109

ChurchCRM is an open-source church management system. In versions prior to 6.5.3, the Database Restore functionality does not validate the content or file extension of uploaded files. As a result, an attacker can upload a web shell file and subsequently upload a .htaccess file to enable direct...

CVE-2024-58280

CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file extensions and upload malicious PHP files. Attackers can append ',php' to Extensionsuserfiles and upload a shell script to the media directory to execute arbitrary code on the server...

PT-2025-50529

Name of the Vulnerable Software and Affected Versions CMSimple version 5.15 Description An authenticated attacker can execute commands remotely on the server. This is possible by modifying file extensions and uploading malicious PHP files. Specifically, attackers can append ',php' to Extensions...

CVE-2024-58280: Exposure of File Descriptor to Unintended Control Sphere

CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file extensions and upload malicious PHP files. Attackers can append ',php' to Extensionsuserfiles and upload a shell script to the media directory to execute arbitrary code on the server...

CVE-2025-66548

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into download files with a different extension th...

The vulnerability of the `scan_bytes()` function of the security scanner for analyzing Pickle Python files allows a hacker to bypass security restrictions and execute arbitrary code.

The vulnerability of the scanbytes function in the Python Picklescan security scanner is related to improper file extension checking. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and execute arbitrary code...

CVE-2025-66548

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into download files with a different extension th...

EUVD-2025-201466

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into download files with a different extension th...

CVE-2025-66548 Nextcloud Deck app allows to spoof file extensions by using RTLO characters

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into download files with a different extension th...

CVE-2025-66548 Nextcloud Deck app allows to spoof file extensions by using RTLO characters

Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into download files with a different extension th...