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CVE-2025-6623— Stored Cross-Site Scripting via XML Input in Multiple WSO2 Products Allows UI Manipulation and Redirection

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.

Carbon 控制台接受用户提供的 XML 输入，但未对其中可能可执行的内容进行充分编码，从而导致恶意脚本注入。 成功利用此漏洞后，远程攻击者可在受害者的浏览器上下文中执行任意 JavaScript 代码，进而实施诸如将用户重定向至恶意网站或篡改网页用户界面等操作。由于敏感会话 Cookie 已启用 httpOnly 标志进行保护，因此无法实施会话劫持。

CVSS 4.3 · Medium

Affected Version Matrix 28

VendorProduct Version RangeStatus
WSO2 WSO2 API Control Plane < 4.5.0 unknown
4.5.0< 4.5.0.12 affected
WSO2 WSO2 API Manager < 3.2.0 unknown
3.2.0< 3.2.0.433 affected
3.2.1< 3.2.1.53 affected
4.1.0< 4.1.0.215 affected
4.2.0< 4.2.0.153 affected
4.3.0< 4.3.0.66 affected
4.4.0< 4.4.0.29 affected
4.5.0< 4.5.0.11 affected
WSO2 WSO2 Carbon Event Publisher UI 5.2.26< 5.2.26.19 affected
5.2.41< 5.2.41.6 affected
5.2.57< 5.2.57.7 affected
5.3.5< 5.3.5.4 affected
5.3.11< 5.3.11.4 affected
5.3.15< 5.3.15.3 affected
5.3.20< 5.3.20.1 affected
WSO2 WSO2 Carbon Event Receiver UI 5.2.26< 5.2.26.19 affected
5.2.41< 5.2.41.6 affected
5.2.57< 5.2.57.7 affected
5.3.5< 5.3.5.4 affected
5.3.11< 5.3.11.4 affected
5.3.15< 5.3.15.3 affected
5.3.20< 5.3.20.1 affected
WSO2 WSO2 Traffic Manager < 4.5.0 unknown
4.5.0< 4.5.0.11 affected
WSO2 WSO2 Universal Gateway < 4.5.0 unknown
4.5.0< 4.5.0.11 affected
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I. Basic Information for CVE-2025-6623

Vulnerability Information
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Vulnerability Title
Stored Cross-Site Scripting via XML Input in Multiple WSO2 Products Allows UI Manipulation and Redirection
Source: CVE Program / CVE List V5
Vulnerability Description
The carbon console accepts user-supplied XML input without sufficiently encoding potentially executable content, allowing for the injection of malicious scripts. Successful exploitation allows a remote attacker to execute arbitrary JavaScript in the context of a victim's browser, leading to actions such as redirecting the user to a malicious website or modifying the web page's user interface. Session hijacking is not possible as sensitive session cookies are protected by the httpOnly flag.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/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 Manager 3.2.0 ~ 3.2.0.433 -
WSO2 WSO2 Universal Gateway 4.5.0 ~ 4.5.0.11 -
WSO2 WSO2 Traffic Manager 4.5.0 ~ 4.5.0.11 -
WSO2 WSO2 API Control Plane 4.5.0 ~ 4.5.0.12 -
WSO2 WSO2 Carbon Event Publisher UI 5.2.26 ~ 5.2.26.19 -
WSO2 WSO2 Carbon Event Receiver UI 5.2.26 ~ 5.2.26.19 -

II. Public POCs for CVE-2025-6623

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III. Intelligence Information for CVE-2025-6623

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Patches & Fixes for CVE-2025-6623 (1)

Vendor Advisories for CVE-2025-6623 (1)

Same Patch Batch · WSO2 · 2026-10-19 · 7 CVEs total

CVE-2025-10149 8.2 HIGH Arbitrary Operations via SCIM Endpoints in Multiple WSO2 Products Enables User Account Tak
CVE-2025-13173 6.5 MEDIUM Improper Token Revocation via Session-Bound Token Flow in Multiple WSO2 Products Allows Un
CVE-2025-7043 5.4 MEDIUM Refresh Token Misuse via Validation Flaw in Multiple WSO2 Products Enables Unauthorized Re
CVE-2025-13591 5.3 MEDIUM Username Enumeration via Authentication Endpoint in WSO2 Identity Server Allows User Accou
CVE-2025-7203 4.9 MEDIUM Sensitive Information Disclosure via Management Console and Product Files in Multiple WSO2
CVE-2024-4412 2.7 LOW Expression Language Injection via User Input in Multiple WSO2 Products Permits Arbitrary O

IV. Related Vulnerabilities

Same product: WSO2 API Manager
Same vendor: WSO2
Same weakness: CWE-79

V. Comments for CVE-2025-6623

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