CVE-2026-44767: CWE-306: Missing Authentication for Critical Function in SAP_SE @ui5/webcomponents-base
CVE-2026-44767 is a medium severity vulnerability in SAP_SE's @ui5/webcomponents-base where the setThemeRoot() function fails to enforce the sap-allowed-theme-origins allowlist. This allows attacker-controlled absolute cross-origin URLs to be stored and used to inject arbitrary CSS into the victim page, even without the presence of the expected meta tag. Exploitation requires attacker-influenced input to reach setThemeRoot(). Successful exploitation can lead to UI redressing, clickjacking, phishing overlays, visual defacement, and limited data exfiltration via CSS selectors.
AI Analysis
Technical Summary
The vulnerability in SAP_SE's @ui5/webcomponents-base arises from setThemeRoot() not properly enforcing the sap-allowed-theme-origins allowlist. An attacker can supply an absolute cross-origin URL that is stored and used directly to create a <link rel=stylesheet> element, bypassing intended restrictions. This bypass is also reachable via the ?sap-themeRoot URL parameter. Exploitation requires attacker-controlled input to invoke setThemeRoot(). The injected CSS can be used for UI redressing, clickjacking, phishing overlays, visual defacement, and limited data exfiltration through CSS attribute selectors targeting predictable DOM content.
Potential Impact
An attacker who can influence input to setThemeRoot() can inject arbitrary CSS into the victim's page. This can enable UI redressing and clickjacking attacks, phishing overlays to deceive users, visual defacement of the interface, and limited data exfiltration by leveraging CSS attribute selectors. The confidentiality and integrity of the user interface can be compromised, but there is no direct impact on availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Until a fix is available, avoid exposing attacker-controllable inputs to setThemeRoot() and restrict usage of the ?sap-themeRoot URL parameter where possible.
CVE-2026-44767: CWE-306: Missing Authentication for Critical Function in SAP_SE @ui5/webcomponents-base
Description
CVE-2026-44767 is a medium severity vulnerability in SAP_SE's @ui5/webcomponents-base where the setThemeRoot() function fails to enforce the sap-allowed-theme-origins allowlist. This allows attacker-controlled absolute cross-origin URLs to be stored and used to inject arbitrary CSS into the victim page, even without the presence of the expected meta tag. Exploitation requires attacker-influenced input to reach setThemeRoot(). Successful exploitation can lead to UI redressing, clickjacking, phishing overlays, visual defacement, and limited data exfiltration via CSS selectors.
CVSS v3.1
Score 6.1medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in SAP_SE's @ui5/webcomponents-base arises from setThemeRoot() not properly enforcing the sap-allowed-theme-origins allowlist. An attacker can supply an absolute cross-origin URL that is stored and used directly to create a <link rel=stylesheet> element, bypassing intended restrictions. This bypass is also reachable via the ?sap-themeRoot URL parameter. Exploitation requires attacker-controlled input to invoke setThemeRoot(). The injected CSS can be used for UI redressing, clickjacking, phishing overlays, visual defacement, and limited data exfiltration through CSS attribute selectors targeting predictable DOM content.
Potential Impact
An attacker who can influence input to setThemeRoot() can inject arbitrary CSS into the victim's page. This can enable UI redressing and clickjacking attacks, phishing overlays to deceive users, visual defacement of the interface, and limited data exfiltration by leveraging CSS attribute selectors. The confidentiality and integrity of the user interface can be compromised, but there is no direct impact on availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Until a fix is available, avoid exposing attacker-controllable inputs to setThemeRoot() and restrict usage of the ?sap-themeRoot URL parameter where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- sap
- Date Reserved
- 2026-05-07T18:39:44.147Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a558ad968715ace4361842c
Added to database: 07/14/2026, 01:03:21 UTC
Last enriched: 07/14/2026, 01:18:52 UTC
Last updated: 07/14/2026, 02:21:18 UTC
Views: 5
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