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CVE-2023-46744— Squidex 跨站脚本漏洞

一分钟漏洞结论

影响对象
Squidex squidex
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。

squidex是一款 Headless CMS 和内容管理中心。 Squidex 7.8.2及之前版本存在跨站脚本漏洞,该漏洞源于存在存储型跨站脚本(XSS)漏洞。

CVSS 5.4 · Medium EPSS 0.50% · P41
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一、 漏洞 CVE-2023-46744 基础信息

漏洞信息

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Vulnerability Title
Stored Cross-site Scripting in Squidex
来源: CVE Program / CVE List V5
Vulnerability Description
Squidex is an open source headless CMS and content management hub. In affected versions a stored Cross-Site Scripting (XSS) vulnerability enables privilege escalation of authenticated users. The SVG element filtering mechanism intended to stop XSS attacks through uploaded SVG images, is insufficient resulting to stored XSS attacks. Squidex allows the CMS contributors to be granted the permission of uploading an SVG asset. When the asset is uploaded, a filtering mechanism is performed to validate that the SVG does not contain malicious code. The validation logic consists of traversing the HTML nodes in the DOM. In order for the validation to succeed, 2 conditions must be met: 1. No HTML tags included in a "blacklist" called "InvalidSvgElements" are present. This list only contains the element "script". and 2. No attributes of HTML tags begin with "on" (i.e. onerror, onclick) (line 65). If either of the 2 conditions is not satisfied, validation fails and the file/asset is not uploaded. However it is possible to bypass the above filtering mechanism and execute arbitrary JavaScript code by introducing other HTML elements such as an <iframe> element with a "src" attribute containing a "javascript:" value. Authenticated adversaries with the "assets.create" permission, can leverage this vulnerability to upload a malicious SVG as an asset, targeting any registered user that will attempt to open/view the asset through the Squidex CMS.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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
Vulnerability Title
Squidex 跨站脚本漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
squidex是一款 Headless CMS 和内容管理中心。 Squidex 7.8.2及之前版本存在跨站脚本漏洞,该漏洞源于存在存储型跨站脚本(XSS)漏洞。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
Squidex squidex < 7.9.0 -

二、漏洞 CVE-2023-46744 的公开POC

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三、漏洞 CVE-2023-46744 的情报信息

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CVE-2023-46744 厂商安全公告 (1)

同批安全公告 · Squidex · 2023-11-07 · 共 3 条

CVE-2023-46253 9.1 CRITICAL squidex 路径遍历漏洞
CVE-2023-46252 6.8 MEDIUM Squidex 跨站脚本漏洞

IV. Related Vulnerabilities

V. Comments for CVE-2023-46744

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