{"id":74199,"date":"2025-11-24T13:45:59","date_gmt":"2025-11-24T10:15:59","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-12739-cross-site-scripting-xss-in-lookers-extension-loader-leading-to-admin-account-compromise\/"},"modified":"2025-11-24T13:45:59","modified_gmt":"2025-11-24T10:15:59","slug":"cve-2025-12739-cross-site-scripting-xss-in-lookers-extension-loader-leading-to-admin-account-compromise","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-12739-cross-site-scripting-xss-in-lookers-extension-loader-leading-to-admin-account-compromise\/","title":{"rendered":"CVE-2025-12739 &#8211; Cross-Site Scripting (XSS) in Looker&#8217;s Extension Loader leading to Admin Account Compromise"},"content":{"rendered":"<p>CVE ID : CVE-2025-12739<\/p>\n<p>Published :  Nov. 24, 2025, 10:15 a.m. | 1\u00a0hour, 6\u00a0minutes ago<\/p>\n<p>Description : An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would execute an attacker-supplied script. Exploitation required at least one Looker extension installed on the instance.<\/p>\n<p>Looker-hosted and Self-hosted were found to be vulnerable.<br \/>\nThis issue has already been mitigated for Looker-hosted instances.\u00a0No user action is required for these.<\/p>\n<p>Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.<br \/>\nThe versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page  https:\/\/download.looker.com\/ :  *  24.18.201+<br \/>\n  *  25.0.79+<br \/>\n  *  25.6.66+<br \/>\n  *  25.12.7+<br \/>\n  *  25.16.0+<br \/>\n  *  25.18.0+<br \/>\n  *  25.20.0+<\/p>\n<p>Severity: 7.3 | HIGH<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-12739 Published : Nov. 24, 2025, 10:15 a.m. | 1\u00a0hour, 6\u00a0minutes ago Description : An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would execute an attacker-supplied script. Exploitation required at least one Looker extension installed on the instance. Looker-hosted and Self-hosted &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-74199","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=74199"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74199\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=74199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=74199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=74199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}