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CVE-2026-71426— GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page "template" field

Quick assessment

Affected
GetSimpleCMS-CE GetSimpleCMS-CE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GetSimple CMS 是一款内容管理系统（CMS），而 GetSimple CMS CE 是该系统的社区版。在 3.3.22 及更早版本中，拥有页面编辑权限的已认证用户可以在页面的模板属性中存储任意的文件系统路径。在公共前端渲染页面时，该值未经任何过滤或清理即被直接传递给 PHP 的 函数。由于该包含路径未受到任何限制，攻击者可利用目录遍历实现本地文件包含（LFI）漏洞：当任意访客请求该页面时，系统会包含并执行指定的本地文件（若文件中包含 PHP 代码，则会被执行）。截至本公告发布时，尚无公开的补丁可用。

CVSS 7.1 · High
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I. Basic Information for CVE-2026-71426

Vulnerability Information
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Vulnerability Title
GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page "template" field
Source: CVE Program / CVE List V5
Vulnerability Description
GetSimple CMS is a content management system (CMS), and GetSimple CMS CE is the community edition of that CMS. In versions 3.3.22 and prior, an authenticated user with page-editing rights can store an arbitrary filesystem path in a page's template attribute. On the public front-end, this value is passed unsanitized to a PHP include() when the page is rendered. Because the include path is never confined, this allows directory-traversal Local File Inclusion: arbitrary local files are included (and, if they contain PHP, executed) when any visitor requests the page. At time of publication, there are no publicly available patches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GetSimpleCMS-CE GetSimpleCMS-CE <= 3.3.22 -

II. Public POCs for CVE-2026-71426

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III. Intelligence Information for CVE-2026-71426

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Other References for CVE-2026-71426 (1)

Same Patch Batch · GetSimpleCMS-CE · 2026-10-01 · 7 CVEs total

CVE-2026-56662 9.6 CRITICAL GetSimple CMS: Missing CSRF protection in UpdateCE allows forging a privileged server-side
CVE-2026-53953 9.1 CRITICAL GetSimple CMS: Predictable Password Reset Password Allows Administrator Account Takeover
CVE-2026-56660 9.1 CRITICAL GetSimple CMS: CSRF, SSRF, and Unrestricted Zip Extraction
CVE-2026-70650 8.8 HIGH GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output deco
CVE-2026-71542 8.7 HIGH GetSimple CMS: Stored Cross-Site Scripting (XSS) via the "title" parameter in admin/compon
CVE-2026-56661 7.5 HIGH GetSimple CMS: Server-Side Request Forgery in the UpdateCE update endpoint

IV. Related Vulnerabilities

Same product: GetSimpleCMS-CE
Same vendor: GetSimpleCMS-CE
Same weakness: CWE-22

V. Comments for CVE-2026-71426

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