CVE-2025-27434: XSS (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

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

Frequently Asked Questions

What is CVE-2025-27434? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-27434? +

CVE-2025-27434 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-27434? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-27434