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CVE-2025-8154— HTTP Header Injection via Webhook API in Multiple WSO2 Products Allows Response Header Manipulation

Quick assessment

Affected
WSO2 WSO2 API Manager
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.

WSO2 API Manager等都是美国WSO2公司的产品。WSO2 API Manager是一套API生命周期管理解决方案。WSO2 API Control Plane是一个控制面板。WSO2 Traffic Manager是一个调节和管理API流量的组件。 WSO2多款产品存在注入漏洞，该漏洞源于接受用户提供的HTTP请求标头输入但未充分验证或清理，可能导致攻击者注入或覆盖任意HTTP响应标头，引发浏览器缓存操作、安全相关标头更改及敏感信息注入等影响。以下产品受到影响：WSO2 API Manage

CVSS 5.3 · Medium EPSS 0.19% · P7

Possible ATT&CK Techniques 1 AI

T1105 · Ingress Tool Transfer

Affected Version Matrix 21

VendorProduct Version RangeStatus
WSO2 WSO2 API Control Plane 4.5.0< 4.5.0.21 affected
WSO2 WSO2 API Manager < 4.1.0 unknown
4.1.0< 4.1.0.218 affected
4.2.0< 4.2.0.164 affected
4.3.0< 4.3.0.74 affected
4.4.0< 4.4.0.38 affected
4.5.0< 4.5.0.20 affected
WSO2 WSO2 Carbon API Gateway 9.20.74< 9.20.74.374 affected
9.28.116< 9.28.116.363 affected
9.29.120< 9.29.120.181 affected
9.30.67< 9.30.67.104 affected
9.31.86< 9.31.86.64 affected
9.32.2≤ * unaffected
WSO2 WSO2 Carbon API Management Implementation 9.20.74< 9.20.74.374 affected
9.28.116< 9.28.116.363 affected
9.29.120< 9.29.120.181 affected
9.30.67< 9.30.67.104 affected
9.31.86< 9.31.86.64 affected
9.32.2≤ * unaffected
WSO2 WSO2 Traffic Manager 4.5.0< 4.5.0.19 affected
WSO2 WSO2 Universal Gateway 4.5.0< 4.5.0.19 affected
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I. Basic Information for CVE-2025-8154

Vulnerability Information
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Vulnerability Title
HTTP Header Injection via Webhook API in Multiple WSO2 Products Allows Response Header Manipulation
Source: CVE Program / CVE List V5
Vulnerability Description
In Webhook API invocations, the component accepts user-supplied input for HTTP request headers without sufficient validation or sanitization, allowing these headers to be injected into HTTP responses. By exploiting this vulnerability, a malicious actor can inject or overwrite arbitrary HTTP response headers. This can lead to various adverse effects, including the manipulation of browser caching, alteration of security-related headers, and the injection of sensitive information such as cookie values, potentially enabling session hijacking or other malicious activities.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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
WSO2多款产品 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WSO2 API Manager等都是美国WSO2公司的产品。WSO2 API Manager是一套API生命周期管理解决方案。WSO2 API Control Plane是一个控制面板。WSO2 Traffic Manager是一个调节和管理API流量的组件。 WSO2多款产品存在注入漏洞，该漏洞源于接受用户提供的HTTP请求标头输入但未充分验证或清理，可能导致攻击者注入或覆盖任意HTTP响应标头，引发浏览器缓存操作、安全相关标头更改及敏感信息注入等影响。以下产品受到影响：WSO2 API Manage
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
WSO2 WSO2 API Manager 4.1.0 ~ 4.1.0.218 -
WSO2 WSO2 Universal Gateway 4.5.0 ~ 4.5.0.19 -
WSO2 WSO2 Traffic Manager 4.5.0 ~ 4.5.0.19 -
WSO2 WSO2 API Control Plane 4.5.0 ~ 4.5.0.21 -
WSO2 WSO2 Carbon API Gateway 9.20.74 ~ 9.20.74.374 -
WSO2 WSO2 Carbon API Management Implementation 9.20.74 ~ 9.20.74.374 -

II. Public POCs for CVE-2025-8154

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III. Intelligence Information for CVE-2025-8154

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Vendor Advisories for CVE-2025-8154 (1)

Same Patch Batch · WSO2 · 2026-05-11 · 6 CVEs total

CVE-2025-10470 8.6 HIGH Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Una
CVE-2025-9973 6.4 MEDIUM Authorization Bypass via Adaptive Authentication in WSO2 Identity Server Allows Cross-Orga
CVE-2025-8325 6.3 MEDIUM Improper Access Control via Gateway API in Multiple WSO2 Products Allows Unauthorized Oper
CVE-2024-0391 5.3 MEDIUM Username Enumeration via Email OTP Flow in Multiple WSO2 Products Allows User Account Disc
CVE-2025-10908 Account Lock Bypass via Magic Link or Pass Key Authentication in WSO2 Identity Server Allo

IV. Related Vulnerabilities

Same product: WSO2 API Manager
Same vendor: WSO2
Same weakness: CWE-74

V. Comments for CVE-2025-8154

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