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CVE-2025-5769— Reflected Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Allows Browser Redirection and UI Modification

Quick assessment

Affected
WSO2 WSO2 API Control Plane
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.

身份验证接口在将用户提供的输入渲染到网页之前，未对其进行正确的编码。由于缺乏输出编码，攻击者可以向身份验证流程注入恶意的 JavaScript 载荷，这些载荷随后会被受害者的浏览器执行。 利用此漏洞，攻击者可以将用户的浏览器重定向到恶意网站、篡改向用户显示的网页内容，或从浏览器中窃取信息。但由于与会话相关的敏感 Cookie 已启用 httpOnly 标志，因此无法实施会话劫持等类似攻击。

CVSS 6.1 · Medium
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I. Basic Information for CVE-2025-5769

Vulnerability Information
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Vulnerability Title
Reflected Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Allows Browser Redirection and UI Modification
Source: CVE Program / CVE List V5
Vulnerability Description
The authentication endpoint does not properly encode user-supplied input before rendering it within the web page. This lack of output encoding allows an attacker to inject malicious JavaScript payloads into the authentication flow, which are then executed by the victim's browser. By exploiting this vulnerability, an attacker can redirect the user's browser to a malicious website, modify the content of the web page displayed to the user, or exfiltrate information from the browser. However, due to the implementation of the httpOnly flag on session-related sensitive cookies, session hijacking and similar attacks are not possible.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
WSO2 WSO2 API Control Plane 4.5.0 ~ 4.5.0.11 -
WSO2 WSO2 API Manager 3.2.0 ~ 3.2.0.430 -
WSO2 WSO2 Identity Server 5.10.0 ~ 5.10.0.359 -

II. Public POCs for CVE-2025-5769

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III. Intelligence Information for CVE-2025-5769

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Other References for CVE-2025-5769 (1)

Same Patch Batch · WSO2 · 2026-11-03 · 3 CVEs total

CVE-2026-4052 9.8 CRITICAL Privilege Escalation via Token Endpoint in WSO2 API Manager (APIM 4.x/IS as Resident Key M
CVE-2025-1397 4.8 MEDIUM Improper IDP Status Validation via JWT Bearer or SAML2 Bearer Grants in Multiple WSO2 Prod

IV. Related Vulnerabilities

Same product: WSO2 API Control Plane
Same vendor: WSO2
Same weakness: CWE-79