CVE-2025-27434Network attack vector

Browser script execution via unvalidated remote code

Published Mar 11, 2025 · Updated Feb 26, 2026

Cross-site scripting in Swagger UI in SAP Commerce Cloud COM_CLOUD 2211 allows remote attackers to execute script in a user's browser. Swagger UI insufficiently validates code obtained from remote sources, but SAP has not publicly identified the affected input or validation routine. No authentication is required, but user interaction is necessary; executed script can expose or alter data available to the browser session.

CVSS severity8.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Swagger UI in SAP Commerce Cloud COM_CLOUD 2211 allows remote attackers to execute script in a user's browser. Swagger UI insufficiently validates code obtained from remote sources, but SAP has not publicly identified the affected input or validation routine. No authentication is required, but user interaction is necessary; executed script can expose or alter data available to the browser session.

The record

CVE
CVE-2025-27434
Published
Mar 11, 2025
Updated
Feb 26, 2026
Vendor
SAP SE
Product
SAP Commerce Cloud
Classifications
CWE-79, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=COM_CLOUD 2211

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · SAP Commerce Cloudversion=COM_CLOUD 2211

Published CVSS scores

8.8SAP SECVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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