{"id":44927,"date":"2025-05-27T19:57:46","date_gmt":"2025-05-27T19:57:46","guid":{"rendered":""},"modified":"2025-10-22T19:05:43","modified_gmt":"2025-10-23T01:05:43","slug":"cve-2025-48200-typo3-sr-feuser-register-extension-vulnerability-leading-to-remote-code-execution","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-48200-typo3-sr-feuser-register-extension-vulnerability-leading-to-remote-code-execution\/","title":{"rendered":"CVE-2025-48200: TYPO3 sr_feuser_register Extension Vulnerability Leading to Remote Code Execution<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

In this blog post, we delve into the details of a critical vulnerability, CVE-2025-48200, that affects the TYPO3 content management system (CMS). The vulnerability lies in the sr_feuser_register extension (up to version 12.4.8), and it permits remote code execution. TYPO3 is a widely used open-source CMS with a vast global community<\/a>. Therefore, this vulnerability is of significant concern as it has the potential to impact numerous websites and applications, leading to system<\/a> compromise or data leakage.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-48200
\nSeverity: Critical (10.0 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

TYPO3 sr_feuser_register extension<\/a> | Up to version 12.4.8<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The sr_feuser_register extension for TYPO3 is vulnerable to remote code execution<\/a>. This vulnerability stems from a lack of proper input validation in the extension’s code<\/a>, which allows an attacker to inject malicious code. The attacker can leverage this vulnerability to execute arbitrary<\/a> code on the server, thereby compromising the system. The code execution<\/a> occurs with the privileges of the server process running TYPO3. This breach can potentially lead<\/a> to sensitive data exposure, unauthorized system access, or even control of the entire system.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following is a conceptual example of how this vulnerability<\/a> might be exploited. Here, the attacker crafts a malicious payload in the form of an HTTP POST request to a vulnerable<\/a> endpoint on the TYPO3 server.<\/p>\n

POST \/typo3\/sr_feuser_register HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"user_data\": \"{'; system('rm -rf \/'); #}\" }<\/code><\/pre>\n
In this example, the attacker injects code<\/a> into the user_data parameter. The injected code is executed<\/a> on the server, leading to a devastating outcome. Please note that this is a conceptual example, and actual exploit code may differ based on the server’s<\/a> configuration and the attacker’s intent.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
The most effective mitigation for this vulnerability is to apply the patch provided<\/a> by the vendor. TYPO3 has released a patched version of the sr_feuser_register extension that fixes this vulnerability<\/a>. Users are strongly encouraged to update to the latest<\/a> version as soon as possible.
\nIn case immediate patching is not possible, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary mitigation. These systems should be configured to detect and block attempts to exploit this vulnerability<\/a>. However, these are just temporary measures and cannot substitute a proper patch.
\nRemember, staying updated is the most effective defense against such vulnerabilities<\/a>. Regularly patch and update your systems to keep them secure<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In this blog post, we delve into the details of a critical vulnerability, CVE-2025-48200, that affects the TYPO3 content management system (CMS). The vulnerability lies in the sr_feuser_register extension (up to version 12.4.8), and it permits remote code execution. TYPO3 is a widely used open-source CMS with a vast global community. Therefore, this vulnerability […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-44927","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t