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CVE-2019-11828

Quick assessment

Affected
Synology Office
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.

Synology Office是中国台湾群晖科技（Synology）公司的一套基于Web的办公软件系统。该系统具有在线创建文档和电子表格，以及导入本地文件等功能。 Synology Office 3.1.4-2771之前版本中的Chart存在跨站脚本漏洞。 该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

CVSS 5.5 · Medium EPSS 0.71% · P52

Possible ATT&CK Techniques 2 AI

T1059.001 · PowerShell T1189.001
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I. Basic Information for CVE-2019-11828

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting (XSS) vulnerability in Chart in Synology Office before 3.1.4-2771 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
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
Synology Office 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Office是中国台湾群晖科技（Synology）公司的一套基于Web的办公软件系统。该系统具有在线创建文档和电子表格，以及导入本地文件等功能。 Synology Office 3.1.4-2771之前版本中的Chart存在跨站脚本漏洞。 该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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
Synology Office unspecified ~ 3.1.4-2771 -

II. Public POCs for CVE-2019-11828

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III. Intelligence Information for CVE-2019-11828

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Other References for CVE-2019-11828 (1)

Same Patch Batch · Synology · 2019-06-30 · 7 CVEs total

CVE-2019-11826 8.0 HIGH Synology Moments 路径遍历漏洞
CVE-2019-11829 7.3 HIGH Synology Calendar 操作系统命令注入漏洞
CVE-2019-11821 7.3 HIGH Synology Photo Station SQL注入漏洞
CVE-2019-11827 6.5 MEDIUM Synology Note Station 跨站脚本漏洞
CVE-2019-11825 6.5 MEDIUM Synology Calendar 跨站脚本漏洞
CVE-2019-11822 4.3 MEDIUM Synology Photo Station 路径遍历漏洞

IV. Related Vulnerabilities

Same product: Office
Same vendor: Synology
Same weakness: CWE-79

V. Comments for CVE-2019-11828

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