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CVE-2026-54612— Vvveb: Authenticated editor path traversal to PHP file write/RCE via data-v-save-global

Quick assessment

Affected
givanz Vvveb
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.

Vvveb 是一个强大且易于使用的 CMS（内容管理系统），内置页面构建器，可用于构建网站、博客或电子商务商店。 在 1.0.0 至 1.0.8.5 版本中， 文件中的 函数会在 和 操作之前，将攻击者可控的 参数中的文件名部分直接拼接（concatenate）到当前激活的主题目录下。 拥有默认 Editor 角色并具备 权限的已认证用户，可以向 提交特制的 HTML 数据，利用路径遍历（path traversal）机制，将文件写入主题目录之外的其他可写 PHP 文件位置。如果该目标路径对 Web 可访问，则编辑

CVSS 8.8 · High
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I. Basic Information for CVE-2026-54612

Vulnerability Information
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Vulnerability Title
Vvveb: Authenticated editor path traversal to PHP file write/RCE via data-v-save-global
Source: CVE Program / CVE List V5
Vulnerability Description
Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. From 1.0.0 until 1.0.8.5, saveGlobalElements() in admin/controller/editor/global-trait.php concatenates the attacker-controlled file portion of data-v-save-global to the active theme directory before loadHTMLFile() and file_put_contents() operate on it. An authenticated user with the default Editor role and editor/* permission can submit crafted HTML to module=editor/editor&action=save and traverse to an existing writable PHP file outside the theme directory. If the target is web-accessible, editor-controlled PHP content executes in the web server context; a shipped public/vadmin/index.php entrypoint can be used as an execution trampoline rather than requiring a test-only file. This can permit persistent webshell placement and compromise application confidentiality, integrity, and availability. This issue is fixed in version 1.0.8.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
givanz Vvveb >= 1.0.0, < 1.0.8.5 -

II. Public POCs for CVE-2026-54612

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III. Intelligence Information for CVE-2026-54612

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Patches & Fixes for CVE-2026-54612 (1)

Vendor Advisories for CVE-2026-54612 (1)

Vendor Pages for CVE-2026-54612 (1)

Same Patch Batch · givanz · 2026-09-17 · 4 CVEs total

CVE-2026-54507 8.4 HIGH Vvveb oEmbedProxy vulnerable to server-side request forgery
CVE-2026-54506 7.6 HIGH Vvveb: Stored XSS via sanitizeHTML() bypass in user profile bio field
CVE-2026-54613 5.4 MEDIUM Vvveb: Path Traversal in Revision Backup Reader/Deleter via Unsanitized theme Parameter

IV. Related Vulnerabilities

Same product: Vvveb
Same vendor: givanz
Same weakness: CWE-22

V. Comments for CVE-2026-54612

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