What’s Vulnerable › Vulnerabilities

CVE-2025-26653: Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (applications based on SAP GUI for HTML)

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-08 · updated 2026-06-17
• Weakness: CWE-79

Description

SAP NetWeaver Application Server ABAP does not sufficiently encode user-controlled inputs, leading to Stored Cross-Site Scripting (XSS) vulnerability. This enables an attacker, without requiring any privileges, to inject malicious JavaScript into a website. When a user visits the compromised page, the injected script gets executed, potentially compromising the confidentiality and integrity within the scope of the victim�s browser. Availability is not impacted.

Affected products

• SAP_SE SAP NetWeaver Application Server for ABAP and ABAP Platform: KRNL64NUC 7.22, 7.22EXT, KRNL64UC 7.22, 7.53, KERNEL 7.22, 7.54 (+4)

References

• https://me.sap.com/notes/3559307
• https://url.sap/sapsecuritypatchday

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