XSS in SAP Netweaver Application Server Abap
CVE-2026-27682
Due to a reflected cross-site scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP (Applications based on Business Server Pages), an unauthenticated attacker could craft a URL that exploits an unprotected URL parameter to embed a malicious script. If a victim clicks the link, the injected input is processed during web page generation, resulting in the execution of malicious content in the victim�s browser context. This could allow the attacker to access and/or modify information, impacting the confidentiality and integrity of the application, with no impact to availability.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- SAP Netweaver Application Server Abap — versions 700, 701, 702
- SAP Se Netweaver Application Server Abap (Applications Based On Business Pages) — versions SAP_BASIS 700, SAP_BASIS 701, SAP_BASIS 702
Weakness classification (CWE)
References
- me.sap.com/notes/3728690 (Permissions Required)
- url.sap/sapsecuritypatchday (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-27682?
- CVE-2026-27682 is a medium-severity vulnerability in SAP Netweaver Application Server Abap, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-05-12.
- How severe is CVE-2026-27682?
- Medium severity. CVSS v3 base score is 4.7 out of 10.