CVE-2026-25461

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in purethemes Listeo Core listeo-core allows Reflected XSS.This issue affects Listeo Core: from n/a through <= 2.0.21.

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.

Listeo Core <= 2.0.21

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
PoC for Reflected XSS in Listeo Core
The attacker sends a malicious link to the victim.
Example URL structure: http://target-site.com/page?param=<script>alert(1)</script>
-->
<html>
  <body>
  <p>Simulating the vulnerable behavior:</p>
  <script>
    // Get the parameter from the URL
    const params = new URLSearchParams(window.location.search);
    const userInput = params.get('param');

    // Vulnerable code: Directly writing input to the DOM without sanitization
    if (userInput) {
      document.write('Input received: ' + userInput);
    }
  </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-25461
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-25461
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-25461/
[4] VulDB https://vuldb.com/cve/CVE-2026-25461
[5] https://patchstack.com/database/Wordpress/Plugin/listeo-core/vulnerability/wordpress-listeo-core-plugin-2-0-21-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-25461", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:52.293", "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 purethemes Listeo Core listeo-core allows Reflected XSS.This issue affects Listeo Core: from n/a through <= 2.0.21."}, {"lang": "es", "value": "Neutralización Inadecuada de Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en purethemes Listeo Core listeo-core permite XSS Reflejado. Este problema afecta a Listeo Core: desde n/a hasta <= 2.0.21."}], "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}, {"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/listeo-core/vulnerability/wordpress-listeo-core-plugin-2-0-21-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}