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CVE-2018-3780

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。Nextcloud Server是其中的一个服务器版。 NextCloud Server 13.0.5之前版本中存在跨站脚本漏洞，该漏洞源于程序未能验证自动填充字段的搜索结果。远程攻击者可利用该漏洞注入HTML。

AI Predicted 5.4 Difficulty: Moderate EPSS 0.89% · P58

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2018-3780

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious search results could only be crafted by authenticated users.
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 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud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。Nextcloud Server是其中的一个服务器版。 NextCloud Server 13.0.5之前版本中存在跨站脚本漏洞，该漏洞源于程序未能验证自动填充字段的搜索结果。远程攻击者可利用该漏洞注入HTML。
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 >13.0.5 -

II. Public POCs for CVE-2018-3780

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III. Intelligence Information for CVE-2018-3780

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Other References for CVE-2018-3780 (2)

IV. Related Vulnerabilities

Same vendor: NextCloud
Same weakness: CWE-79

V. Comments for CVE-2018-3780

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