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CVE-2021-32828— Regular expression Denial of Service in MooTools

Quick assessment

Affected
Hyland Nuxeo
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.

Nuxeo是Nuxeo开源的一个开源、可定制和可扩展的内容管理平台。用于构建业务应用程序。 Nuxeo 11.5.109版本存在跨站脚本漏洞，该漏洞源于攻击者可以实现反射型跨站脚本，并且可以通过自动化API将反射型跨站脚本升级为远程代码执行。

CVSS 5.4 · Medium EPSS 0.71% · P52
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I. Basic Information for CVE-2021-32828

Vulnerability Information
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Vulnerability Title
Regular expression Denial of Service in MooTools
Source: CVE Program / CVE List V5
Vulnerability Description
The Nuxeo Platform is an open source content management platform for building business applications. In version 11.5.109, the `oauth2` REST API is vulnerable to Reflected Cross-Site Scripting (XSS). This XSS can be escalated to Remote Code Execution (RCE) by levering the automation API.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Nuxeo 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nuxeo是Nuxeo开源的一个开源、可定制和可扩展的内容管理平台。用于构建业务应用程序。 Nuxeo 11.5.109版本存在跨站脚本漏洞，该漏洞源于攻击者可以实现反射型跨站脚本，并且可以通过自动化API将反射型跨站脚本升级为远程代码执行。
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
Hyland Nuxeo 11.5.109 ~ 11.5.109 -

II. Public POCs for CVE-2021-32828

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III. Intelligence Information for CVE-2021-32828

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Other References for CVE-2021-32828 (2)

IV. Related Vulnerabilities

Same vendor: Hyland
Same weakness: CWE-502

V. Comments for CVE-2021-32828

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