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CVE-2023-27480— Data leak through a XAR import XXE attack in xwiki-platform-xar-model

Quick assessment

Affected
xwiki xwiki-platform
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.

XWiki Platform是法国XWiki公司的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform存在代码问题漏洞，该漏洞源于任何拥有文档编辑权限的用户都可以在伪造的XAR文件上触发XAR导入，从而能够在服务器主机上显示任何文件的内容。

CVSS 7.7 · High EPSS 0.75% · P55

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-27480

Vulnerability Information
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Vulnerability Title
Data leak through a XAR import XXE attack in xwiki-platform-xar-model
Source: CVE Program / CVE List V5
Vulnerability Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with edit rights on a document can trigger an XAR import on a forged XAR file, leading to the ability to display the content of any file on the XWiki server host. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. Users unable to upgrade may apply the patch `e3527b98fd` manually.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
XWiki Platform 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XWiki Platform是法国XWiki公司的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform存在代码问题漏洞，该漏洞源于任何拥有文档编辑权限的用户都可以在伪造的XAR文件上触发XAR导入，从而能够在服务器主机上显示任何文件的内容。
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
xwiki xwiki-platform >= 1.1-milestone-3, < 13.10.11 -

II. Public POCs for CVE-2023-27480

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III. Intelligence Information for CVE-2023-27480

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Patches & Fixes for CVE-2023-27480 (1)

Vendor Advisories for CVE-2023-27480 (1)

Other References for CVE-2023-27480 (1)

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-611