CVE-2019-7669

Prima Systems FlexAir, Versions 2.3.38 and prior. Improper validation of file extensions when uploading files could allow a remote authenticated attacker to upload and execute malicious applications within the application’s web root with root privileges...

CVE-2019-16318

In Pimcore before 5.7.1, an attacker with limited privileges can bypass file-extension restrictions via a 256-character filename, as demonstrated by the failure of automatic renaming of .php to .php.txt for long filenames, a different vulnerability than CVE-2019-10867 and CVE-2019-16317...

CVE-2019-14924

An issue was discovered in GCDWebServer before 3.5.3. The method moveItem in the GCDWebUploader class checks the FileExtension of newAbsolutePath but not oldAbsolutePath. By leveraging this vulnerability, an adversary can make an inaccessible file be available the credential of the app, for...

CVE-2016-11020

Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png. This can lead to XSS and remote code execution...

CVE-2017-11178

In FineCMS through 2017-07-11, application/core/controller/style.php allows remote attackers to write to arbitrary files via the contents and filename parameters in a route=style action. For example, this can be used to overwrite a .php file because the file extension is not checked...

CVE-2015-9272

The videowhisper-video-presentation plugin 3.31.17 for WordPress allows remote attackers to execute arbitrary code because vp/vwupload.php considers a file safe when "html" are the last four characters, as demonstrated by a .phtml file containing PHP code...

CVE-2015-7309

The theme editor in Bolt before 2.2.5 does not check the file extension when renaming files, which allows remote authenticated users to execute arbitrary code by renaming a crafted file and then directly accessing it...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload due to improper validation of file extensions. An attacker can bypass SVG file sanitization protections by initially uploading a file with a permitted extension and subsequently renaming it to an .svg extension...

October CMS Allows Unprotected SVG Rename in Media Manager

Impact This advisory affects authenticated administrators with sites that have the media.cleanvectors configuration enabled. This configuration will sanitize SVG files uploaded using the media manager. This vulnerability allows an authenticated user to bypass this protection by uploading it with ...

CVE-2025-28168

The Multiple File Upload add-on component 3.1.0 for OutSystems is vulnerable to Unrestricted File Upload. This occurs because file extension and size validations are enforced solely on the client side. An attacker can intercept the upload request and modify a parameter to bypass extension...

GHSA-6JMR-R7P6-F5WR ShowDoc unrestricted file upload vulnerability

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution. This issue affects ShowDoc: before 2.8.7...

ShowDoc unrestricted file upload vulnerability

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution. This issue affects ShowDoc: before 2.8.7...

CVE-2025-0520

An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.This issue affects ShowDoc: before 2.8.7...

CVE-2025-4086

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.. This vulnerability was fixed in Firefox 138...

CVE-2025-4086 Specially crafted filename could be used to obscure download type

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.. This vulnerability was fixed in Firefox 138...

CVE-2025-4086

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.. This vulnerability was fixed in Firefox 138...

CVE-2025-4086

CVE-2025-4086 affects Thunderbird for Android and Firefox/ Thunderbird versions earlier than 138. The issue is triggered by a filename containing a large number of encoded newline characters that can obscure the file extension in the download dialog, potentially misleading users about the downloa...

ShowDoc 代码问题漏洞

ShowDoc is a great tool for IT teams to share documents online by star7th individual developers. A code issue vulnerability exists in ShowDoc versions prior to 2.8.7 that stems from improper validation of file extensions and could lead to remote code execution...

youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization

Description This advisory follows the security advisory GHSA-79w7-vh3h-8g4j published by the yt-dlp/yt-dlp project to aid remediation of the issue in the ytdl-org/youtube-dl project. Vulnerability youtube-dl does not limit the extensions of downloaded files, which could lead to arbitrary filename...

CVE-2025-32035

DNN (DotNetNuke) prior to version 9.13.2 does not verify file contents during uploads; it only checks file extensions, allowing a malicious file renamed to a benign extension (e.g., executable renamed to .jpg) to be uploaded. The issue is addressed in version 9.13.2. The practical implication is ...