MediumVulnerabilityLLM-specific

CVE-2025-7021: OpenAI Operator SaaS on Web fullscreen API spoofing and UI redressing

Source: NVD(opens in a new tab)
Identifier: CVE-2025-7021
Published: July 10, 2025
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.4%

Summary

CVE-2025-7021 is a Fullscreen API spoofing and UI redressing flaw in the handling of the Fullscreen API and UI rendering in OpenAI Operator SaaS on Web. A remote attacker can display a deceptive fullscreen interface with overlaid fake browser controls and a distracting element such as a cookie consent screen, which obscures fullscreen notifications and tricks the user into interacting with a malicious site, allowing capture of sensitive input such as login credentials and email addresses. Google Inc. assigned a CVSS 4.0 base score of 6.9 (MEDIUM); NIST has not yet provided an assessment.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 6.5(medium)
EPSS: 0.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-451

Affected

Vendors: OpenAI

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Agent
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-7021

First tracked: February 15, 2026 at 08:49 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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