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CVE-2021-29459— XSS Cross Site Scripting

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 12.6.3版本至12.8版本存在跨站脚本漏洞，该漏洞源于可以持久地注入脚本。

CVSS 9.6 · Critical EPSS 1.12% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-29459

Vulnerability Information
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Vulnerability Title
XSS Cross Site Scripting
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. It is possible to persistently inject scripts in XWiki versions prior to 12.6.3 and 12.8. Unregistred users can fill simple text fields. Registered users can fill in their personal information and (if they have edit rights) fill the values of static lists using App Within Minutes. There is no easy workaround except upgrading XWiki. The vulnerability has been patched on XWiki 12.8 and 12.6.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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
Xwiki Platform 跨站脚本漏洞
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 12.6.3版本至12.8版本存在跨站脚本漏洞，该漏洞源于可以持久地注入脚本。
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 < 12.6.3 -

II. Public POCs for CVE-2021-29459

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III. Intelligence Information for CVE-2021-29459

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Vendor Advisories for CVE-2021-29459 (1)

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-79

V. Comments for CVE-2021-29459

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