EUVD-2026-74357
GHSA-jxv3-g53c-fjff
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-delivered via crafted HTML requiring one user interaction (UI:R); no privileges needed; confidentiality-only cross-origin read impact (C:L); scope unchanged, no sandbox escape.
Primary rating from Vendor (Chrome).
CVSS VectorVendor: Chrome
Lifecycle Timeline
5DescriptionCVE.org
Incorrect authorization in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Web origin policy bypass in Google Chrome's Loader component (versions prior to 153.0.8010.36) lets a remote attacker circumvent same-origin protections by serving a crafted HTML page, potentially reading cross-origin resources the attacker should not have access to. The CVSS score of 4.3 and Chromium's own 'Medium' severity rating are consistent, reflecting a confidentiality-only impact with no integrity or availability consequence and no sandbox escape. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target user to actively visit an attacker-controlled crafted HTML page (CVSS UI:R), making social engineering, phishing, or malicious advertising the required delivery mechanism. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N, score 4.3) captures the key risk parameters: network-delivered, low complexity, no privileges needed, single user interaction required, scope unchanged, and only a limited confidentiality impact. … 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 | Upgrade Google Chrome to version 153.0.8010.36 or later, which contains the vendor-released patch for this vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-863 – Incorrect Authorization
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External POC / Exploit Code
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