{"id":"CVE-2025-3035","title":"By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt","summary":"By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability was fixed in Firefox 137.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-359"],"vendor":"mozilla","product":"firefox","affected":["firefox < 137.0"],"patched":["firefox 137.0"],"published":"2025-04-01","updated":"2026-09-30","sourceUpdated":"2026-09-30T19:10:01.007","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-3035","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1952268","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-20/","label":"security@mozilla.org"}],"tags":["nvd"],"epss":0.00286,"epssPercentile":0.19027,"ingestedAt":"2026-09-30T19:21:07.232Z","slug":"CVE-2025-3035","body":"## Overview\n\nBy first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability was fixed in Firefox 137.\n\n## Affected\n\n- `firefox < 137.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 137.0`","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}