{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T08:26:24.384","vulnerabilities":[{"cve":{"id":"CVE-2025-40927","sourceIdentifier":"9b29abf9-4ab0-4765-b253-1875cd9b441e","published":"2025-08-29T01:15:34.553","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"CGI::Simple versions before 1.282 for Perl has a HTTP response splitting flaw\nThis 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.\n\nAlthough some validation exists, it can be bypassed using URL-encoded values, allowing an attacker to inject untrusted content into the response via query parameters.\n\n\n\nAs 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.\n\nThe issue documented in CVE-2010-4410 https://www.cve.org/CVERecord?id=CVE-2010-4410 is related but the fix was incomplete.\n\nImpact\n\nBy injecting %0A (newline) into a query string parameter, an attacker can:\n\n  *  Break the current HTTP header\n  *  Inject a new header or entire body\n  *  Deliver a script payload that is reflected in the server’s response\nThat can lead to the following attacks:\n\n  *  reflected XSS\n  *  open redirect\n  *  cache poisoning\n  *  header manipulation"}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":3.4}]},"weaknesses":[{"source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","type":"Secondary","description":[{"lang":"en","value":"CWE-113"}]}],"references":[{"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2320","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://datatracker.ietf.org/doc/html/rfc7230#section-3","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://metacpan.org/release/MANWAR/CGI-Simple-1.281/diff/MANWAR/CGI-Simple-1.282/lib/CGI/Simple.pm","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://metacpan.org/release/MANWAR/CGI-Simple-1.281/source/lib/CGI/Simple.pm#L1031-1035","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"},{"url":"https://rt.perl.org/Public/Bug/Display.html?id=21951","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e"}]}}]}