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CVE-2025-53836— XWiki Rendering is vulnerable to RCE attacks when processing nested macros

Quick assessment

Affected
xwiki xwiki-rendering
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XWiki Rendering是XWiki基金会的一个通用渲染系统，它将给定语法（wiki 语法、HTML 等）中的文本输入转换为另一种语法（XHTML 等）。 XWiki Rendering 4.2-milestone-1之前版本、13.10.11之前版本、14.4.7之前版本和14.10之前版本存在安全漏洞，该漏洞源于宏内容解析器未保留转换上下文限制属性，可能导致执行受限宏。

CVSS 10.0 · Critical EPSS 0.59% · P47
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I. Basic Information for CVE-2025-53836

Vulnerability Information
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Vulnerability Title
XWiki Rendering is vulnerable to RCE attacks when processing nested macros
Source: CVE Program / CVE List V5
Vulnerability Description
XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc) into another syntax (XHTML, etc). Starting in version 4.2-milestone-1 and prior to versions 13.10.11, 14.4.7, and 14.10, the default macro content parser doesn't preserve the restricted attribute of the transformation context when executing nested macros. This allows executing macros that are normally forbidden in restricted mode, in particular script macros. The cache and chart macros that are bundled in XWiki use the vulnerable feature. This has been patched in XWiki 13.10.11, 14.4.7 and 14.10. To avoid the exploitation of this bug, comments can be disabled for untrusted users until an upgrade to a patched version has been performed. Note that users with edit rights will still be able to add comments via the object editor even if comments have been disabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
XWiki Rendering 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XWiki Rendering是XWiki基金会的一个通用渲染系统，它将给定语法（wiki 语法、HTML 等）中的文本输入转换为另一种语法（XHTML 等）。 XWiki Rendering 4.2-milestone-1之前版本、13.10.11之前版本、14.4.7之前版本和14.10之前版本存在安全漏洞，该漏洞源于宏内容解析器未保留转换上下文限制属性，可能导致执行受限宏。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
xwiki xwiki-rendering >= 4.2-milestone-1, < 13.10.11 -

II. Public POCs for CVE-2025-53836

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9069 chars
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III. Intelligence Information for CVE-2025-53836

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Vendor Advisories for CVE-2025-53836 (1)

IV. Related Vulnerabilities

Same product: xwiki-rendering
Same vendor: xwiki
Same weakness: CWE-863

V. Comments for CVE-2025-53836

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