CVE-2019-14771

Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 allows the upload of entire-site configuration archives through the user interface or command line. It does not sufficiently check uploaded archives for invalid data, potentially allowing non-configuration scripts to be uploaded to the...

CVE-2019-19902

An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It allows the upload of entire-site configuration archives through the user interface or command line. It does not sufficiently check uploaded archives for invalid data, allowing non-configuration scripts to...

CVE-2019-19901

An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying certain block descriptions created by administrators. An attacker could potentially craft a specialized description, then have an administrator execute...

CVE-2019-19900

An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying content type names in the content creation interface. An attacker could potentially craft a specialized content type name, then have an editor execute...

CVE-2019-19903

An issue was discovered in Backdrop CMS 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying file type descriptions created by administrators. An attacker could potentially craft a specialized description, then have an administrator execute scripting when viewing the list o...

CVE-2019-14770

In Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3, some menu links within the administration bar may be crafted to execute JavaScript when the administrator is logged in and uses the search functionality. This issue is mitigated by the attacker needing permissions to create...

CVE-2018-1000813

Backdrop CMS version 1.11.0 and earlier contains a Cross Site Scripting XSS vulnerability in Sanitization of custom class names used on blocks and layouts. that can result in Execution of JavaScript from an unexpected source.. This attack appear to be exploitable via A user must be directed to an...

Exploit for Unrestricted Upload of File with Dangerous Type in Backdropcms Backdrop_Cms

CVE-2022-42092 Python Exploit 🔥 Description This Python ex...

CVE-2025-46595

An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response returned was provid...

CVE-2025-46595

An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response returned was provid...

CVE-2025-46595

An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response returned was provid...

PT-2025-17873 · Backdrop Cms · Flag

Name of the Vulnerable Software and Affected Versions: Backdrop CMS Flag module versions prior to 1.x-3.6.2 Description: A Cross-Site Scripting issue was discovered in the Flag module for Backdrop CMS. The module does not verify flag links before performing the flag action, or verify that the...

CVE-2025-46595

The CVE affects Backdrop CMS, specifically the Flag module versions prior to 1.x-3.6.2. The root cause is that the module does not verify flag links before performing the flag action, nor verify that the response comes from the flag module, allowing crafted HTML to trigger Cross Site Scripting. P...

CVE-2025-46595: Improper Neutralization of Input During Web Page Generation

An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response returned was provid...

CVE-2025-46595

An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't verify flag links before performing the flag action, or verify that the response returned was provid...

Backdrop CMS 1.27.1 Remote Command Execution

Backdrop CMS version 1.27.1 proof of concept remote command execution exploit for a vulnerability discovered in 2024. ============================================================================================================================================= | Title : Backdrop CMS 1.27.1 PHP COd...

CVE-2025-27823

An issue was discovered in the Mail Disguise module before 1.x-1.0.5 for Backdrop CMS. It enables a website to obfuscate email addresses, and should prevent spambots from collecting them. The module doesn't sufficiently validate the data attribute value on links, potentially leading to a Cross Si...

CVE-2025-27825

An XSS issue was discovered in the Bootstrap 5 Lite theme before 1.x-1.0.3 for Backdrop CMS. It doesn't sufficiently sanitize certain class names...

CVE-2025-27826

An XSS issue was discovered in the Bootstrap Lite theme before 1.x-1.4.5 for Backdrop CMS. It doesn't sufficiently sanitize certain class names...

CVE-2025-27824

An XSS issue was discovered in the Link iframe formatter module before 1.x-1.1.1 for Backdrop CMS. It doesn't sufficiently sanitize input before displaying results to the screen. This vulnerability is mitigated by the fact that an attacker must have the ability to create content containing an...