CVE-2025-42872Network attack vector

Session-data theft via undisclosed script injection

Published Dec 9, 2025 · Updated Dec 9, 2025

Cross-site scripting in SAP NetWeaver Enterprise Portal EP-RUNTIME 7.50 allows remote attackers to steal session data via injected browser scripts. SAP states that injected scripts execute in other users' browsers but has not identified the affected portal endpoint, input field, or missing output-encoding operation. No authentication is required, but a victim must load the malicious content; reported consequences are limited to cookie, token, and other sensitive-data exposure or modification.

CVSS severity6.1
Medium
EPSS probability0.26%
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 SAP NetWeaver Enterprise Portal EP-RUNTIME 7.50 allows remote attackers to steal session data via injected browser scripts. SAP states that injected scripts execute in other users' browsers but has not identified the affected portal endpoint, input field, or missing output-encoding operation. No authentication is required, but a victim must load the malicious content; reported consequences are limited to cookie, token, and other sensitive-data exposure or modification.

The record

CVE
CVE-2025-42872
Published
Dec 9, 2025
Updated
Dec 9, 2025
Vendor
SAP SE
Product
SAP NetWeaver Enterprise Portal
Classifications
CWE-489, T1539, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=EP-RUNTIME 7.50

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · SAP NetWeaver Enterprise Portalversion=EP-RUNTIME 7.50

Published CVSS scores

6.1SAP SECVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

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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-489Active Debug Code
T1539Steal Web Session Cookie
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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