{"id":"CVE-2024-47836","aliases":["GHSA-7c4c-749j-pfp2"],"url":"https://o3.security/vulnerability/CVE-2024-47836","summary":"Admidio vulnerable to HTML Injection In The Messages Section","details":"### Summary\nAn unsafe deserialization vulnerability allows any unauthenticated user to execute arbitrary code on the server.\n\n### PoC\n1. Go to\nhttps://www.admidio.org/demo_en/adm_program/modules/messages/messages.php\n2. Click on Send Private Message\n3. In the `Message` field, enter the following payload\n`Testing<br><h1>HTML</h1><br><h2>Injection</h2>`\n\n> \n![image](https://github.com/user-attachments/assets/0e5d9e4e-69c5-4908-9ab9-0c45c2548ff8)\n\n4. Send the message\n5. Open the message again\n\n> \n![image](https://github.com/user-attachments/assets/d36f1b64-7d96-486d-ab65-cce2b7d21428)\n\n\n### Impact\n1. Data Theft: Stealing sensitive information like cookies, session tokens, and user credentials.\n2. Session Hijacking: Gaining unauthorized access to user accounts.\n3. Phishing: Tricking users into revealing sensitive information.\n4. Website Defacement: Altering the appearance or content of the website.\n5. Malware Distribution: Spreading malware to users' devices.\n6. Denial of Service (DoS): Overloading the server with malicious requests.","published":"2024-10-16T19:43:07.894Z","modified":"2026-08-12T03:51:34.639171451Z","cvss":{"score":3.5,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"admidio/admidio","fixedVersion":"4.3.12"}],"fix":{"url":"https://github.com/Admidio/admidio/commit/176f60de6a38dde2b8e848b97647194c12cf5a6c","label":"Admidio/admidio@176f60d"},"references":[{"type":"ADVISORY","url":"https://github.com/Admidio/admidio/security/advisories/GHSA-7c4c-749j-pfp2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47836.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47836"},{"type":"WEB","url":"https://github.com/Admidio/admidio/commit/176f60de6a38dde2b8e848b97647194c12cf5a6c"},{"type":"PACKAGE","url":"https://github.com/Admidio/admidio"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:34.639171451Z"}}