CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules

Impact This is an unsafe file upload validation vulnerability that can lead to remote code execution in vulnerable application configurations. Applications are impacted when they: - validate uploads using isimage or mimein without an independent safe extension check, such as extin on patched...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload in the isAllowedExtension process. An attacker can achieve arbitrary code execution by uploading a specially crafted file with a multi-segment filename containing a blocked extension as a non-terminal segment, whic...

Arbitrary File Upload

Overview Flask-Reuploaded is a Flexible and efficient upload handling for Flask Affected versions of this package are vulnerable to Arbitrary File Upload through the save process when a user-supplied name parameter is used to override the filename. An attacker can upload files with dangerous...

PT-2026-57395

Name of the Vulnerable Software and Affected Versions Swiss Toolkit For WP versions prior to 1.4.7 Description An arbitrary file upload issue exists due to flawed file type validation in the upload extension files function. The function uses strpos to check if a filename contains a configured...

CVE-2026-4883

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

Grav CMS 安全漏洞

Grav CMS is an open-source file-based content management system developed by Grav. Versions of Grav CMS prior to 9.1.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of path stripping during file uploads and the failure to strictly prevent the extension of page...

Vvveb 安全漏洞

Vvveb is a powerful and easy-to-use CMS developed by Givan’s individual developers. It is used to build websites, blogs, or e-commerce stores. Versions of Vvveb prior to 1.0.8.2 contained security vulnerabilities. These vulnerabilities stemmed from insufficient file extension restrictions in the...

Medium: mod_security_crs

Issue Overview: Whitespace padding in filenames bypasses file upload extension checks NOTE: https://github.com/coreruleset/coreruleset/security/advisories/GHSA-rw5f-9w43-gv2w CVE-2026-33691 Affected Packages: modsecuritycrs Issue Correction: Run dnf update modsecuritycrs --releasever...

Amazon Linux 2023 : mod_security_crs (ALAS2023-2026-1562)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1562 advisory. Whitespace padding in filenames bypasses file upload extension checks NOTE: https://github.com/coreruleset/coreruleset/security/advisories/GHSA-rw5f-9w43-gv2w CVE-2026-33691 Tenable has extracted the...

OWASP CRS Arbitrary File Upload

A vulnerability was identified in OWASP CRS where whitespace padding in filenames can bypass file upload extension checks, allowing uploads of dangerous files such as .php, .phar, .jsp, and .jspx. This has been addressed in versions 3.3.9, 4.25.x LTS, and 4.8.x...

CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

OWASP CRS 安全漏洞

OWASP CRS is a set of open-source attack detection rules developed by the CRS Project. Versions prior to OWASP CRS 3.3.9 and 4.25.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of standardization in file extension checks for spaces, which could lead to bypassing...

PT-2026-32350

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the netfilter x tables component where xt match and xt target structures registered with NFPROTO UNSPEC can be loaded by any protocol family via nft compat. When these...

CVE-2019-25647 PhreeBooks ERP 5.2.3 Remote Code Execution via Image Manager

PhreeBooks ERP 5.2.3 contains a remote code execution vulnerability in the image manager that allows authenticated attackers to upload and execute arbitrary PHP files by bypassing file extension controls. Attackers can upload malicious PHP files through the image manager endpoint and execute them...

PT-2026-27381

PhreeBooks ERP 5.2.3 contains a remote code execution vulnerability in the image manager that allows authenticated attackers to upload and execute arbitrary PHP files by bypassing file extension controls. Attackers can upload malicious PHP files through the image manager endpoint and execute them...

CVE-2026-32756

Admidio is an open-source user management solution. Versions 5.0.6 and below contain a critical unrestricted file upload vulnerability in the Documents & Files module. Due to a design flaw in how CSRF token validation and file extension verification interact within UploadHandlerFile.php, an...

EUVD-2026-13334

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, bypasses of the attachment view logic and SVG sanitizer make it possible to upload and render an SVG that runs malicious JavaScript. An extension of .png with content type of...

CVE-2026-32728

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.15 and 8.6.41, an attacker who is allowed to upload files can bypass the file extension filter by appending a MIME parameter e.g. ;charset=utf-8 to the Content-Type header...

CVE-2026-32728

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.15 and 8.6.41, an attacker who is allowed to upload files can bypass the file extension filter by appending a MIME parameter e.g. ;charset=utf-8 to the Content-Type header...