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CVE-2025-27107— Integrated Scripting vulnerable to arbitrary code execution via Java reflection

Quick assessment

Affected
CyclopsMC IntegratedScripting
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.

IntegratedScripting是Cyclops开源的一个在集成动力学中创建用于处理复杂操作的脚本。 IntegratedScripting存在注入漏洞，该漏洞源于通过Java反射在抛出的异常对象上逃逸JavaScript沙箱，从而构造任意Java类并调用任意Java方法，可能导致任意代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 0.53% · P43
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I. Basic Information for CVE-2025-27107

Vulnerability Information
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Vulnerability Title
Integrated Scripting vulnerable to arbitrary code execution via Java reflection
Source: CVE Program / CVE List V5
Vulnerability Description
Integrated Scripting is a tool for creating scripts for handling complex operations in Integrated Dynamics. Minecraft users who use Integrated Scripting prior to versions 1.21.1-1.0.17, 1.21.4-1.0.9-254, 1.20.1-1.0.13, and 1.19.2-1.0.10 may be vulnerable to arbitrary code execution. By using Java reflection on a thrown exception object it's possible to escape the JavaScript sandbox for IntegratedScripting's Variable Cards, and leverage that to construct arbitrary Java classes and invoke arbitrary Java methods. This vulnerability allows for execution of arbitrary Java methods, and by extension arbitrary native code e.g. from `java.lang.Runtime.exec`, on the Minecraft server by any player with the ability to create and use an IntegratedScripting Variable Card. Versions 1.21.1-1.0.17, 1.21.4-1.0.9-254, 1.20.1-1.0.13, and 1.19.2-1.0.10 fix the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
IntegratedScripting 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IntegratedScripting是Cyclops开源的一个在集成动力学中创建用于处理复杂操作的脚本。 IntegratedScripting存在注入漏洞，该漏洞源于通过Java反射在抛出的异常对象上逃逸JavaScript沙箱，从而构造任意Java类并调用任意Java方法，可能导致任意代码执行。
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
CyclopsMC IntegratedScripting < 1.21.1-1.0.17 -

II. Public POCs for CVE-2025-27107

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III. Intelligence Information for CVE-2025-27107

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Vendor Advisories for CVE-2025-27107 (1)

Other References for CVE-2025-27107 (2)

IV. Related Vulnerabilities

Same weakness: CWE-74

V. Comments for CVE-2025-27107

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