EUVD-2026-66067
GHSA-v6j9-jh3q-jqq6
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Network-delivered via web page with no authentication needed, but active user interaction is required; only confidentiality is impacted with no integrity or availability effect.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
Information leak in DataTransfer in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Information disclosure via Chrome's DataTransfer API in versions prior to 152.0.7977.65 allows remote attackers to obtain sensitive information when a victim visits and interacts with a crafted HTML page. Chromium's own Low severity classification creates a notable tension with the CVSS C:H rating, likely indicating that the scope of leaked data is constrained despite the high confidentiality label. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim to visit a crafted HTML page using Chrome prior to 152.0.7977.65 AND to perform an active user interaction - such as a click, drag, or paste - that invokes the vulnerable DataTransfer code path; the CVSS UI:R metric confirms passive page load is insufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 score (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N) reflects a meaningful but bounded risk: network delivery and no authentication requirement are elevating factors, but mandatory user interaction (UI:R) and zero integrity or availability impact (I:N/A:N) significantly constrain exploitability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page that uses JavaScript to manipulate DataTransfer events - for example, synthetically triggering a drag-and-drop or intercepting a paste event - to read clipboard or drag-buffer data that the browser should not expose to the page's origin. When a victim visits the page in an unpatched Chrome version and performs a natural interaction such as clicking or dragging, the vulnerable DataTransfer handler leaks the sensitive contents to the attacker-controlled script, which can then exfiltrate them. … |
| Remediation | Update Google Chrome to version 152.0.7977.65 or later, the vendor-released patch confirmed by the Chrome stable channel advisory at http://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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