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EUVD-2026-251361

fkie_cve-2025-40927

Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.

As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks.

The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.

Impact

By injecting %0A (newline) into a query string parameter, an attacker can:

* Break the current HTTP header * Inject a new header or entire body * Deliver a script payload that is reflected in the server’s response That can lead to the following attacks:

* reflected XSS * open redirect * cache poisoning * header manipulation

GHSA-wh29-fq99-4ww5

Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.

The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.

Impact

By injecting %0A (newline) into a query string parameter, an attacker can:

* Break the current HTTP header * Inject a new header or entire body * Deliver a script payload that is reflected in the server’s response That can lead to the following attacks:

* reflected XSS * open redirect * cache poisoning * header manipulation

openSUSE-SU-2025:15625-1 — perl-CGI-Simple-1.282.0-1.1 on GA media

perl-CGI-Simple-1.282.0-1.1 on GA media

UBUNTU-CVE-2025-40927

Affected: Ubuntu:16.04:LTS: libcgi-simple-perl, Ubuntu:18.04:LTS: libcgi-simple-perl, Ubuntu:20.04:LTS: libcgi-simple-perl, Ubuntu:22.04:LTS: libcgi-simple-perl, Ubuntu:24.04:LTS: libcgi-simple-perl, Ubuntu:25.10: libcgi-simple-perl, Ubuntu:26.04:LTS: libcgi-simple-perl

CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw This vulnerability is a confirmed HTTP response splitting flaw in CGI::Simple that allows HTTP response header injection, which can be used for reflected XSS or open redirect under certain conditions. Although some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters. As a result, an attacker can inject a line break (e.g. %0A) into the parameter value, causing the server to split the HTTP response and inject arbitrary headers or even an HTML/JavaScript body, leading to reflected cross-site scripting (XSS), open redirect or other attacks. The issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete. Impact By injecting %0A (newline) into a query string parameter, an attacker can: * Break the current HTTP header * Inject a new header or entire body * Deliver a script payload that is reflected in the server’s response That can lead to the following attacks: * reflected XSS * open redirect * cache poisoning * header manipulation

WID-SEC-W-2025-2012 — cPanel cPanel/WHM: Schwachstelle ermöglicht Manipulation von Dateien

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in cPanel cPanel/WHM ausnutzen, um eine HTTP-Response-Header-Injection durchzuführen, wodurch er Cross-Site-Scripting (XSS) und Open-Redirect-Angriffe durchführen und den Cache oder den Header manipulieren kann.