{"id":79380,"date":"2025-09-30T17:03:33","date_gmt":"2025-09-30T17:03:33","guid":{"rendered":""},"modified":"2025-10-21T00:34:08","modified_gmt":"2025-10-21T06:34:08","slug":"cve-2025-10890-high-severity-side-channel-information-leakage-in-v8-of-google-chrome","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-10890-high-severity-side-channel-information-leakage-in-v8-of-google-chrome\/","title":{"rendered":"<strong>CVE-2025-10890: High Severity Side-Channel Information Leakage in V8 of Google Chrome<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-10890 is a high severity vulnerability that exists in the V8 JavaScript engine of Google Chrome versions prior to 140.0.7339.207. This flaw allows an attacker to leak cross-origin data, providing them with potentially sensitive information which can be exploited for further attacks. The vulnerability is of particular concern to all <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9866-google-chrome-extensions-content-security-policy-bypass-vulnerability\/\"  data-wpil-monitor-id=\"86602\">Google Chrome<\/a> users, including individuals and organizations, due to its high severity rating and the widespread use of the browser.<br \/>\nThe discovery of this vulnerability highlights the constant vigilance required in the cybersecurity landscape, as even widely used and trusted platforms like Google <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48543-privilege-escalation-vulnerability-in-android-s-chrome-sandbox\/\"  data-wpil-monitor-id=\"86930\">Chrome can host critical vulnerabilities<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47129-out-of-bounds-write-vulnerability-in-adobe-framemaker-with-potential-for-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"86910\">vulnerability is considered highly critical because of the potential<\/a> for system compromise or data leakage, which can lead to significant losses and damages if exploited.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-10890<br \/>\nSeverity: High (CVSS: 9.1)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26210-deepseek-xss-vulnerability-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"86692\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1890884506\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9864-high-severity-heap-corruption-vulnerability-in-google-chrome-v8-engine\/\"  data-wpil-monitor-id=\"87986\">Google Chrome<\/a> | Prior to 140.0.7339.207<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>An attacker could exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8565-unauthorized-access-and-arbitrary-plugin-installation-vulnerability-in-wp-legal-pages-wordpress-plugin\/\"  data-wpil-monitor-id=\"90338\">vulnerability by creating a maliciously crafted HTML page<\/a>. When a victim visits this page, the flaw in V8 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9636-cross-origin-opener-policy-vulnerability-in-pgadmin-allows-account-takeovers\/\"  data-wpil-monitor-id=\"87101\">allows the attacker to leak cross-origin<\/a> data. Cross-origin data leakage refers to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10264-critical-exposure-of-sensitive-information-in-digiever-nvr-models\/\"  data-wpil-monitor-id=\"89726\">exposure of information<\/a> from a different domain, potentially bypassing Same-Origin Policy (SOP) protections. This kind of attack can lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52954-unauthorized-root-access-vulnerability-in-junos-os-evolved\/\"  data-wpil-monitor-id=\"88206\">unauthorized access<\/a> to sensitive information, leading to further attacks or data breaches.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2859396126\" 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 following is a conceptual example of how a malicious HTML <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27466-critical-vulnerability-in-guest-memory-pages-handling-in-viridian-code\/\"  data-wpil-monitor-id=\"90503\">page might be constructed to exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">&lt;html&gt;\n&lt;body&gt;\n&lt;script&gt;\nvar malicious_payload = function() {\n\/\/ Code to exploit the vulnerability in V8 and leak cross-origin data\n};\nmalicious_payload();\n&lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p>Please note that the actual exploit code has been omitted to prevent misuse. This example is purely illustrative and is not a working exploit.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>Users are advised to update their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36901-critical-wlan-vulnerability-in-android-affecting-google-pixel-devices\/\"  data-wpil-monitor-id=\"87430\">Google Chrome to the latest version to fix this vulnerability<\/a>. For organizations unable to immediately update Chrome, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. These solutions can detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1740-excessive-authentication-attempts-vulnerability-in-akinsoft-myrezzta\/\"  data-wpil-monitor-id=\"86768\">attempts to exploit vulnerabilities<\/a>, providing an extra layer of security. However, they should not be the sole defense mechanism, and updating the affected software should always be the priority.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-10890 is a high severity vulnerability that exists in the V8 JavaScript engine of Google Chrome versions prior to 140.0.7339.207. This flaw allows an attacker to leak cross-origin data, providing them with potentially sensitive information which can be exploited for further attacks. The vulnerability is of particular concern to all Google Chrome users, including [&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":[91],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-79380","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/79380","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=79380"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/79380\/revisions"}],"predecessor-version":[{"id":83446,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/79380\/revisions\/83446"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=79380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=79380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=79380"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=79380"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=79380"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=79380"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=79380"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=79380"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=79380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}