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Fencer Vulns
high 8.8

CVE-2025-27434 json

Cross-Site Scripting (XSS) vulnerability in SAP Commerce (Swagger UI)

published 2025-03-11 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-7779

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • SAP_SE SAP Commerce (Swagger UI)

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.