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CVE-2017-0893

Quick assessment

Affected
Nextcloud Nextcloud Server
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.

Nextcloud Server是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台中的一个服务器版。JavaScript library是其中的一个预先编写完成的代码库。 Nextcloud Server中使用的JavaScript库存在跨站脚本漏洞。远程攻击者可利用该漏洞注入任意的Web脚本或HTML。以下版本受到影响：Nextcloud Server 9.0.58之前的版本，10.0.5之前的版本，11.0.3之前的版本。

AI Predicted 6.1 Difficulty: Theoretical EPSS 0.90% · P56
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I. Basic Information for CVE-2017-0893

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-input which suffered from a XSS vulnerability caused by a behaviour change in Safari 10.1 and 10.2. Note that Nextcloud employs a strict Content-Security-Policy preventing exploitation of this XSS issue on modern web browsers.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: 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)
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Server JavaScript库跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Server是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台中的一个服务器版。JavaScript library是其中的一个预先编写完成的代码库。 Nextcloud Server中使用的JavaScript库存在跨站脚本漏洞。远程攻击者可利用该漏洞注入任意的Web脚本或HTML。以下版本受到影响：Nextcloud Server 9.0.58之前的版本，10.0.5之前的版本，11.0.3之前的版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nextcloud Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 -

II. Public POCs for CVE-2017-0893

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III. Intelligence Information for CVE-2017-0893

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Other References for CVE-2017-0893 (2)

Same Patch Batch · Nextcloud · 2017-05-08 · 6 CVEs total

CVE-2017-0890 Nextcloud Server 搜索模块跨站脚本漏洞
CVE-2017-0891 Nextcloud Server 跨站脚本漏洞
CVE-2017-0892 Nextcloud Server 安全漏洞
CVE-2017-0894 Nextcloud Server 信息泄露漏洞
CVE-2017-0895 Nextcloud Server 信息泄露漏洞

IV. Related Vulnerabilities

Same product: Nextcloud Server
Same vendor: Nextcloud
Same weakness: CWE-79

V. Comments for CVE-2017-0893

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