Listen to this Post
How CVE-2025-7021 Works
This vulnerability exploits the Fullscreen API in OpenAI Operator SaaS by overlaying a deceptive fullscreen interface mimicking legitimate browser controls. Attackers inject a fake UI element (e.g., a cookie consent banner) to mask the browser’s fullscreen notification, tricking users into entering sensitive data. The malicious page captures input via JavaScript while obscuring visual cues, enabling credential theft without triggering security warnings.
DailyCVE Form
Platform: OpenAI Operator SaaS (Web)
Version: Pre-2025.07 patch
Vulnerability: Fullscreen API Spoofing
Severity: Medium (CVSS 6.9)
Date: 2025-07-24
Prediction: Patch expected by 2025-08-15
What Undercode Say
Analytics:
curl -X GET "https://api.openai.com/v1/version_check" grep -r "FullscreenAPI" /var/www/saas/
Exploit:
document.querySelector("fakeConsent").addEventListener("click", () => {
document.documentElement.requestFullscreen().then(() => {
overlayMaliciousForm();
});
});
Protection from this CVE
- Disable automatic fullscreen transitions via
Feature-Policy: fullscreen 'none'. - Update to patched versions post-2025.08.15.
Impact:
Credential theft, session hijacking, and phishing escalation.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
