CVE-2023-29196

Discourse is an open source platform for community discussion. This vulnerability is not exploitable on the default install of Discourse. A custom feature must be enabled for it to work at all, and the attacker’s payload must pass the CSP to be executed. However, if an attacker succeeds in...

CVE-2023-50963

IBM Storage Defender - Data Protect 1.0.0 through 1.4.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or...

CVE-2023-45600

A CWE-613 “Insufficient Session Expiration” vulnerability in the web application, due to the session cookie “sessionid” lasting two weeks, facilitates session hijacking attacks against victims. This issue affects: AiLux imx6 bundle below version imx61.0.7-2...

CVE-2021-31848

Cross site scripting XSS vulnerability in McAfee Data Loss Prevention DLP ePO extension prior to 11.7.100 allows a remote attacker to highjack an active DLP ePO administrator session by convincing the logged in administrator to click on a carefully crafted link in the case management part of the...

CVE-2025-40566

A vulnerability has been identified in SIMATIC PCS neo V4.1 All versions V4.1 Update 3, SIMATIC PCS neo V5.0 All versions V5.0 Update 1. Affected products do not correctly invalidate user sessions upon user logout. This could allow a remote unauthenticated attacker, who has obtained the session...

CVE-2020-24705

An issue was discovered in certain WSO2 products. A valid Carbon Management Console session cookie may be sent to an attacker-controlled server if the victim submits a crafted Try It request, aka Session Hijacking. This affects API Manager through 3.1.0, API Manager Analytics 2.5.0, IS as Key...

session-hijacking-practicals

session-hijacking-practicals Sess...

undertow-core: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRF

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

undertow-core: Undertow HTTP Server Fails to Reject Malformed Host Headers Leading to Potential Cache Poisoning and SSRF

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

CVE-2025-66686

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

Improper Validation of Syntactic Correctness of Input

Overview io.undertow:undertow-core is a Java web server based on non-blocking IO. Affected versions of this package are vulnerable to Improper Validation of Syntactic Correctness of Input of the request's Host header. An attacker can manipulate server behavior, potentially leading to cache...

Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests. As a result, requests containing malformed or malicious Host headers are processed withou...

GHSA-J382-5JJ3-VW4J Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests. As a result, requests containing malformed or malicious Host headers are processed withou...

CVE-2025-66686

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

CVE-2025-66686

A stored Cross-Site Scripting XSS vulnerability exists in Perch CMS version 3.2. An authenticated attacker with administrative privileges can inject malicious JavaScript code into the “Help button url” setting within the admin panel. The injected payload is stored and executed when any...

DEBIAN-CVE-2025-12543

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

CVE-2025-12543

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

CVE-2025-12543

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

CVE-2025-12543

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without...

CVE-2025-12543

Undertow core in WildFly/JBoss EAP is affected by CVE-2025-12543 due to improper validation of the Host header in HTTP requests. This can allow cache poisoning, internal network discovery, or user session hijacking. The CVSSv3.1 base score is 9.6 (CRITICAL) with network access, low attack complex...