{"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":"<strong>CVE-2025-48200: TYPO3 sr_feuser_register Extension Vulnerability Leading to Remote Code Execution<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50567-critical-sql-injection-vulnerability-in-saurus-cms-community-edition-4-7-1\/\"  data-wpil-monitor-id=\"79248\">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, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4809-critical-vulnerability-in-tenda-ac7-router-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"50589\">leading to system<\/a> compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-48200<br \/>\nSeverity: Critical (10.0 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4759-incorrect-behavior-order-in-lockfile-lint-api-package-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51152\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2341447839\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>TYPO3 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48205-insecure-direct-object-reference-vulnerability-in-sr-feuser-register-extension-for-typo3\/\"  data-wpil-monitor-id=\"55136\">sr_feuser_register extension<\/a> | Up to version 12.4.8<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The sr_feuser_register extension for TYPO3 is <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47916-critical-remote-code-execution-vulnerability-in-invision-community-5-0-0\/\"  data-wpil-monitor-id=\"50384\">vulnerable to remote code execution<\/a>. This vulnerability stems from a lack of proper input validation in the extension&#8217;s <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41075-high-risk-type-confusion-vulnerability-allowing-arbitrary-code-execution-with-kernel-privileges\/\"  data-wpil-monitor-id=\"51554\">code<\/a>, which allows an attacker to inject malicious code. The attacker can leverage this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4389-arbitrary-file-upload-vulnerability-in-wordpress-crawlomatic-multipage-scraper-post-generator-plugin\/\"  data-wpil-monitor-id=\"51099\">vulnerability to execute arbitrary<\/a> code on the server, thereby compromising the system. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42826-arbitrary-code-execution-vulnerability-in-macos-sonoma-14\/\"  data-wpil-monitor-id=\"51600\">code execution<\/a> occurs with the privileges of the server process running TYPO3. This breach can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52880-critical-vulnerability-in-insyde-insydeh2o-kernels-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51425\">potentially lead<\/a> to sensitive data exposure, unauthorized system access, or even control of the entire system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-264065768\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23394-critical-unix-symbolic-link-following-vulnerability-in-opensuse-tumbleweed-cyrus-imapd\/\"  data-wpil-monitor-id=\"54430\">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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4827-critical-buffer-overflow-vulnerability-in-totolink-http-post-request-handler\/\"  data-wpil-monitor-id=\"51100\">HTTP POST request to a vulnerable<\/a> endpoint on the TYPO3 server.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/typo3\/sr_feuser_register HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;user_data&quot;: &quot;{&#039;; system(&#039;rm -rf \/&#039;); #}&quot; }<\/code><\/pre>\n<p>In this example, the attacker <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-55063-critical-code-injection-vulnerabilities-in-easyvirt-dc-netscope\/\"  data-wpil-monitor-id=\"51666\">injects code<\/a> into the user_data parameter. The injected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-7206-arbitrary-code-execution-vulnerability-in-horner-automation-cscape\/\"  data-wpil-monitor-id=\"51611\">code is executed<\/a> on the server, leading to a devastating outcome. Please note that this is a conceptual example, and actual exploit <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution\/\"  data-wpil-monitor-id=\"58517\">code may differ based on the server&#8217;s<\/a> configuration and the attacker&#8217;s intent.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The most effective mitigation for this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50213-special-element-injection-vulnerability-in-apache-airflow-providers-snowflake\/\"  data-wpil-monitor-id=\"64031\">vulnerability is to apply the patch provided<\/a> by the vendor. TYPO3 has released a patched <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40906-critical-vulnerability-in-bson-xs-versions-0-8-4-and-earlier\/\"  data-wpil-monitor-id=\"50667\">version of the sr_feuser_register extension that fixes this vulnerability<\/a>. Users are strongly encouraged to <a href=\"https:\/\/www.ameeba.com\/blog\/unpacking-politico-s-weekly-cybersecurity-update-a-deep-dive-into-the-latest-threat-landscape\/\"  data-wpil-monitor-id=\"50527\">update to the latest<\/a> version as soon as possible.<br \/>\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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1907-critical-vulnerability-in-instantel-micromate-configuration-port\/\"  data-wpil-monitor-id=\"57238\">configured to detect and block attempts to exploit this vulnerability<\/a>. However, these are just temporary measures and cannot substitute a proper patch.<br \/>\nRemember, staying updated is the most effective <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20217-denial-of-service-vulnerability-in-snort-3-detection-engine-of-cisco-secure-firewall-threat-defense-software\/\"  data-wpil-monitor-id=\"77040\">defense against such vulnerabilities<\/a>. Regularly patch and update your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91184\">systems to keep them secure<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>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 [&hellip;]<\/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,"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":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=44927"}],"version-history":[{"count":19,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44927\/revisions"}],"predecessor-version":[{"id":84203,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44927\/revisions\/84203"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=44927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=44927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=44927"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=44927"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=44927"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=44927"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=44927"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=44927"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=44927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}