ExponentCMS <= 2.6 - Host Header Injection

An HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponentconstants.php. A modified HTTP header can change links on the webpage to an arbitrary value,leading to a possible attack vector for MITM. id: CVE-2021-38751 info: name: ExponentCMS = 2.6 - Host Header Injection author:...

CVE-2026-36604

Mercusys AC12G EU V1 router with firmware AC12GEUV1200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability Access-Control-Allow-Origin: to...

tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

EUVD-2026-22811

Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTPHOST in Message-ID email header...

CVE-2026-1698

A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This vulnerability only affects the endpoints...

CVE-2026-1698

A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This vulnerability only affects the endpoints...

CVE-2021-31702

Frontier ichris through 5.18 mishandles making a DNS request for the hostname in the HTTP Host header, as demonstrated by submitting 127.0.0.1 multiple times for DoS...

CVE-2019-16532

An HTTP Host header injection vulnerability exists in YzmCMS V5.3. A malicious user can poison a web cache or trigger redirections...

CVE-2023-53958

LDAP Tool Box Self Service Password 1.5.2 contains a password reset vulnerability that allows attackers to manipulate HTTP Host headers during token generation. Attackers can craft malicious password reset requests that generate tokens sent to a controlled server, enabling potential account...

CVE-2025-52647 HCL BigFix WebUI is affected by a host header poisoning vulnerability

The BigFix WebUI application responds with HOST information from the HTTP header field making it vulnerable to Host Header Poisoning Attacks...

EUVD-2009-1031

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EUVD-2010-4679

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EUVD-2009-1210

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EUVD-2009-0799

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EUVD-2009-2055

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EUVD-2017-18010

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EUVD-2008-4658

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EUVD-2019-7796

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EUVD-2012-0292

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EUVD-2020-18786

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