EUVD-2026-50629
GHSA-235q-px9q-3cqv
Severity by source
Sources disagree (Medium–Critical)AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack delivered via crafted webpage (AV:N/AC:L), victim must visit it (UI:R), no attacker privileges needed (PR:N), impact is limited cross-origin data leak only (C:L/I:N/A:N).
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CVSS VectorVendor: Chrome
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
5DescriptionCVE.org
Inappropriate implementation in Autofill in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Cross-origin data leakage in Google Chrome's Autofill subsystem (all versions prior to 151.0.7922.72) can be triggered remotely by luring a victim to a crafted HTML page, exposing data that should be isolated under the Same-Origin Policy. The flaw is classified as CWE-346 (Origin Validation Error), meaning Chrome's Autofill implementation fails to properly enforce cross-origin boundaries when processing form data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be running Google Chrome prior to version 151.0.7922.72 with Autofill enabled (Chrome's default configuration). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N scores 4.3 (Medium), reflecting a network-reachable, low-complexity attack requiring no privileges but mandating user interaction - the victim must visit a crafted page. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker hosts a crafted HTML page that exploits Chrome's Autofill origin validation flaw and delivers a link to a victim via phishing email or malicious advertisement. When the victim opens the link in an unpatched Chrome browser and the page renders, the crafted content triggers the Autofill subsystem to expose cross-origin data to the attacker-controlled page context, which the script can then exfiltrate. … |
| Remediation | Update Google Chrome to version 151.0.7922.72 or later, the vendor-released patch addressing this vulnerability per the stable channel advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-346 – Origin Validation Error
View allSame technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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