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CVE-2025-32027— Yii does not prevent XSS in scenarios where fallback error renderer is used

Quick assessment

Affected
yiisoft yii
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.

Yii是YII团队的开发的一套基于组件、用于开发大型Web应用的高性能PHP框架。 Yii 1.1.31之前版本存在安全漏洞，该漏洞源于反射型跨站脚本。

CVSS 6.1 · Medium EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-32027

Vulnerability Information
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Vulnerability Title
Yii does not prevent XSS in scenarios where fallback error renderer is used
Source: CVE Program / CVE List V5
Vulnerability Description
Yii is an open source PHP web framework. Prior to 1.1.31, yiisoft/yii is vulnerable to Reflected XSS in specific scenarios where the fallback error renderer is used. Upgrade yiisoft/yii to version 1.1.31 or higher.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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
Yii 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yii是YII团队的开发的一套基于组件、用于开发大型Web应用的高性能PHP框架。 Yii 1.1.31之前版本存在安全漏洞，该漏洞源于反射型跨站脚本。
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
yiisoft yii < 1.1.31 -

II. Public POCs for CVE-2025-32027

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III. Intelligence Information for CVE-2025-32027

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IV. Related Vulnerabilities

Same product: yii
Same vendor: yiisoft
Same weakness: CWE-79

V. Comments for CVE-2025-32027

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