4 matches found
CVE-2026-63223-POC
CVE-2026-63223 PoC — CodeIgniter 4 文件上传 RCE CVSS 9.8(严重) | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE-434 :危险类型文件的不受限制上传 修复版本 :CodeIgniter 4 v4.7.4 安全公告 :GHSA-mmj4-63m4-r6h5 漏洞摘要 CodeIgniter 4 的 isimage 和 mimein 文件上传验证规则仅检查基于内容派生的 MIME 类型 (魔数),而不检查 客户端提供的文件扩展名。 未认证的攻击者可以在 PHP webshell...
CVE-2026-63223
CVE-2026-63223 — CodeIgniter 4 文件上传 RCE 魔术字节绕过 → isimage/mimein → PHP Webshell → RCE 概述 CVE-2026-63223 是一个严重等级(CVSS 9.8)的未认证 远程代码执行漏洞,影响 CodeIgniter 4 (一个 PHP 全栈 Web 框架)4.7.4 之前 的版本。 该漏洞利用了 isimage 和 mimein 文件上传验证规则,这些规则仅检查 由内容推导出的 MIME 类型(魔术字节),而不验证客户端提供的文件扩展名。攻击者将图片魔术字节(GIF89a、JPEG、PNG 文件头)添加到...
CVE-2026-63223
CodeIgniter (PHP framework) prior to version 4.7.4 is affected by an upload validation bypass in the is_image and mime_in rules. If an application preserves the client-supplied filename and stores uploads in a web-accessible, script-enabled directory, a remote attacker could upload executable con...
CVE-2026-63223 CodeIgniter: Uploaded file extension validation bypass in is_image and mime_in rules
CodeIgniter is a PHP full-stack web framework. Prior to 4.7.4, the isimage and mimein upload validation rules do not independently enforce a safe client filename extension, allowing a remote attacker to upload executable content when an application preserves the client filename and stores uploads...