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CVE-2026-70650— GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content

一分钟漏洞结论

影响对象
GetSimpleCMS-CE GetSimpleCMS-CE
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

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 stored Cross-Site Scripting (XSS) vulnerability exists in the page backup viewer (admin/backup-edit.ph

CVSS 8.8 · High
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一、 漏洞 CVE-2026-70650 基础信息

漏洞信息

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Vulnerability Title
GetSimple CMS: Authenticated Stored XSS in backup viewer (backup-edit.php) via output decoding of page meta fields and content
来源: 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 stored Cross-Site Scripting (XSS) vulnerability exists in the page backup viewer (admin/backup-edit.php). Page fields are correctly HTML-encoded when a page is saved, but the backup viewer decodes them again (htmldecode() / strip_decode()) and prints the result without re-escaping. A user who can edit a page can store JavaScript in a page's Keywords, Description, Menu text or Content; it executes in the browser of any administrator who later views that page's backup, in the context of the admin control panel. At time of publication, there are no publicly available patches.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
GetSimpleCMS-CE GetSimpleCMS-CE <= 3.3.22 -

二、漏洞 CVE-2026-70650 的公开POC

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三、漏洞 CVE-2026-70650 的情报信息

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CVE-2026-70650 其他参考 (1)

同批安全公告 · GetSimpleCMS-CE · 2026-10-01 · 共 7 条

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-2026-71542 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
CVE-2026-71426 7.1 HIGH GetSimple CMS: Authenticated Stored Local File Inclusion (LFI) via page "template" field

IV. Related Vulnerabilities

Same product: GetSimpleCMS-CE
Same vendor: GetSimpleCMS-CE
Same weakness: CWE-79

V. Comments for CVE-2026-70650

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