CVE-2026-66771

Cross Site Scripting (XSS) vulnerability in SAPUI5

Published Aug 11, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
SAPUI5 allows a key user with content adaptation privileges to inject malicious script content into persisted application changes. When another user subsequently opens the adapted application, the injected script executes in the victim's browser session. Successful exploitation could allow the attacker to access sensitive session data and perform unauthorized actions on behalf of the victim, resulting in a high impact on confidentiality and integrity. There is no impact on availability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Sap Se
Sap Se sapui5
Vendors & Products Sap Se
Sap Se sapui5
Type Values Removed Values Added
Description SAPUI5 allows a key user with content adaptation privileges to inject malicious script content into persisted application changes. When another user subsequently opens the adapted application, the injected script executes in the victim's browser session. Successful exploitation could allow the attacker to access sensitive session data and perform unauthorized actions on behalf of the victim, resulting in a high impact on confidentiality and integrity. There is no impact on availability.
Title Cross Site Scripting (XSS) vulnerability in SAPUI5
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
sap
Published
Updated
Aug 11, 2026, 2:28 PM
Reserved
Jul 27, 2026, 5:33 PM
Status
Awaiting Analysis
Published
Aug 11, 2026, 1:17 AM
Modified
Oct 24, 2026, 4:10 PM