EUVD-2026-74451
GHSA-jqp9-rrw8-vv9w
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Observable discrepancy side-channels require careful setup to extract reliable signal (AC:H); information gained is limited in scope (C:L), not a full confidentiality breach.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
4DescriptionCVE.org
Observable discrepancy in Select in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
AnalysisAI
Cross-origin information leakage in Google Chrome's Select element (all versions prior to 153.0.8010.36) allows a remote unauthenticated attacker to infer sensitive user state by observing behavioral discrepancies in how the <select> element renders when a victim browses to a crafted HTML page. The root cause is CWE-203 (Observable Discrepancy), a classic browser side-channel class that enables cross-site information inference - for example, whether a user is authenticated to a third-party origin or has visited specific URLs. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must actively browse to an attacker-controlled HTML page using a vulnerable version of Chrome (prior to 153.0.8010.36). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk is materially lower than the NVD CVSS 6.5 score suggests, and aligns more closely with Chromium's own 'Low' severity designation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Chrome 153.0.8010.36. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-203 – Observable Discrepancy
View allSame technique Information Disclosure
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External POC / Exploit Code
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