CVE-2009-0803

SmoothWall SmoothGuardian, as used in SmoothWall Firewall, NetworkGuardian, and SchoolGuardian 2008, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and...

CVE-2009-2059

Opera, possibly before 9.25, uses the HTTP Host header to determine the context of a document provided in a 1 4xx or 2 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL tampering" atta...

CVE-2009-2057

Microsoft Internet Explorer before 8 uses the HTTP Host header to determine the context of a document provided in a 1 4xx or 2 5xx CONNECT response from a proxy server, which allows man-in-the-middle attackers to execute arbitrary web script by modifying this CONNECT response, aka an "SSL...

CVE-2009-1211

Blue Coat ProxySG, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet...

CVE-2009-0802

Qbik WinGate, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites,...

GHSA-99PM-CH96-CCP2 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Impact Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Patches Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS configuration variable, which allows administrators to explicit...

Flask-AppBuilder open redirect vulnerability using HTTP host injection

Impact Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Patches Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS configuration variable, which allows administrators to explicit...

CVE-2025-32962 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS...

CVE-2025-32962 Flask-AppBuilder open redirect vulnerability using HTTP host injection

Flask-AppBuilder is an application development framework built on top of Flask. Versions prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests. Flask-AppBuilder 4.6.2 introduced the FABSAFEREDIRECTHOSTS...

CVE-2025-40631

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

CVE-2025-40631 HTTP host header injection vulnerability in IceWarp Mail Server

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

PT-2025-21634 · Icewarp · Icewarp Mail Server

Name of the Vulnerable Software and Affected Versions: Icwarp Mail Server version 11.4.0 Description: The issue allows for HTTP host header injection, enabling the execution of arbitrary JavaScript code on page load when a user interacts with a malicious link. This is achieved by modifying the Ho...

CVE-2025-40631: Improper Neutralization of HTTP Headers for Scripting Syntax

HTTP host header injection vulnerability in Icewarp Mail Server affecting version 11.4.0. By modifying the Host header and adding a payload, arbitrary JavaScript code can be executed on page load. The user must interact with a malicious link to be redirected...

Flask-AppBuilder open redirect vulnerability using HTTP host injection

Flask-AppBuilder prior to 4.6.2 would allow for a malicious unauthenticated actor to perform an open redirect by manipulating the Host header in HTTP requests...

CVE-2025-27913

The Passbolt API (versions prior to 5 ) is vulnerable to a Host Header Injection flaw (CWE-348) when the server is misconfigured. This occurs if the installation process is incorrect and Health Check results are disregarded, allowing an attacker to control the HTTP Host header . Consequently, the...

CVE-2025-27913

Passbolt API before 5, if the server is misconfigured with an incorrect installation process and disregarding of Health Check results, can send email messages with a domain name taken from an attacker-controlled HTTP Host header...

PT-2025-10631

Name of the Vulnerable Software and Affected Versions Passbolt API versions prior to 5 Description The issue arises when the server is misconfigured, specifically with an incorrect installation process and disregard of Health Check results. In such cases, the Passbolt API can send email messages...

CVE-2025-27913

Passbolt API before 5, if the server is misconfigured with an incorrect installation process and disregarding of Health Check results, can send email messages with a domain name taken from an attacker-controlled HTTP Host header...

CVE-2025-27913: Use of Less Trusted Source

Passbolt API before 5, if the server is misconfigured with an incorrect installation process and disregarding of Health Check results, can send email messages with a domain name taken from an attacker-controlled HTTP Host header...

CVE-2025-0178

Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker to manipulate the value of the HTTP Host header in requests sent to the Web UI. An attacker could exploit this vulnerability to redirect users to malicious websites, poison the web cache, or inject malicious...