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CVE-2019-11825

Quick assessment

Affected
Synology Calendar
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 Calendar是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.3.0-0615之前版本中的Event Editor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 6.5 · Medium EPSS 0.80% · P55

Possible ATT&CK Techniques 2 AI

T1189.002 T1189.003
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I. Basic Information for CVE-2019-11825

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote attackers to inject arbitrary web script or HTML via the title parameter.
Source: 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: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 Calendar 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Calendar是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.3.0-0615之前版本中的Event Editor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 Calendar unspecified ~ 2.3.0-0615 -

II. Public POCs for CVE-2019-11825

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III. Intelligence Information for CVE-2019-11825

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Other References for CVE-2019-11825 (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-2019-11828 5.5 MEDIUM Synology Office 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: Calendar
Same vendor: Synology
Same weakness: CWE-79

V. Comments for CVE-2019-11825

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