CVE-2026-42845

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload GHSA-w4rc-p66m-x6qq. Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions md, yaml...

CVE-2026-4885

The Piotnet Addons for Elementor Pro plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'pafeajaxformbuilder' function in all versions up to, and including, 7.1.70. The plugin uses an incomplete extension blacklist that only blocks php, phpt,...

CVE-2026-46426

Budibase is an open-source low-code platform. Prior to 3.38.2, the file upload endpoint POST /api/attachments/process does not enforce active-content restrictions for authenticated users. The checks for dangerous file extensions are conditionally wrapped inside if isPublicUser or if isPublicUser ...

Budibase: Unrestricted Upload of File with Dangerous Type

Summary The file upload endpoint POST /api/attachments/process does not enforce active-content restrictions for authenticated users. The checks for dangerous file extensions html, svg, js, php, etc. are conditionally wrapped inside if isPublicUser or if isPublicUser || !env.SELFHOSTED, meaning an...

CVE-2026-4883 Piotnet Forms <= 2.1.40 - Unauthenticated Arbitrary File Upload via Form File Upload

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...

CVE-2026-42845

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload GHSA-w4rc-p66m-x6qq. Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions md, yaml...

CVE-2026-42845 Grav: Anonymous Page Content Overwrite via Form File Upload filename Override

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload GHSA-w4rc-p66m-x6qq. Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions md, yaml...

CVE-2026-42845 Grav: Anonymous Page Content Overwrite via Form File Upload filename Override

The form plugin for Grav adds the ability to create and use forms. Prior to 9.1.0 , there is an unauthenticated page-content overwrite via file upload GHSA-w4rc-p66m-x6qq. Public form uploads now strip path components from the POST-supplied filename and hard-block page-content extensions md, yaml...

EUVD-2026-23904

OpenMage LTS: Customer File Upload Extension Blocklist Bypass → Remote Code Execution...

CVE-2026-33691

A flaw was found in the OWASP core rule set CRS, a set of generic attack detection rules for web application firewalls. A remote attacker could exploit this vulnerability by inserting whitespace padding into filenames during file uploads. This bypasses the file extension checks, allowing the uplo...

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...

EUVD-2026-18352

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...

EUVD-2007-6640

Malware in sbrugna...

EUVD-2018-18168

Malicious code in bioql PyPI...

The vulnerability in the exportDataObject API of the Foxit Reader text viewing application, which allows a hacker to execute arbitrary code.

The vulnerability of the exportDataObject API in the Foxit Reader text viewer software is related to improper checking of dangerous extensions. Exploiting this vulnerability could allow a malicious actor to execute arbitrary code using a specially created file...

CVE-2023-4821

The Drag and Drop Multiple File Upload for WooCommerce WordPress plugin before 1.1.1 does not filter all potentially dangerous file extensions. Therefore, an attacker can upload unsafe .shtml or .svg files containing malicious scripts...

UBUNTU-CVE-2022-25277

Drupal core sanitizes filenames with dangerous extensions upon upload reference: SA-CORE-2020-012 and strips leading and trailing dots from filenames to prevent uploading server configuration files reference: SA-CORE-2019-010. However, the protections for these two vulnerabilities previously did...

Microsoft Tightens OneNote Security by Auto-Blocking 120 Risky File Extensions

Microsoft has announced plans to automatically block embedded files with "dangerous extensions" in OneNote following reports that the note-taking service is being increasingly abused for malware delivery. Up until now, users were shown a dialog warning them that opening such attachments could har...

PT-2022-3918 · Drupal · Drupal

Name of the Vulnerable Software and Affected Versions: Drupal core versions 7, 9.3, and 9.4 Description: The issue arises from the incorrect interaction between two protections in Drupal core: one that sanitizes filenames with dangerous extensions upon upload and another that strips leading and...