CVE-2025-3035: Vulnerability in Mozilla Firefox
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.
AI Analysis
Technical Summary
CVE-2025-3035 is a vulnerability in Mozilla Firefox where the document title from a previously used tab leaks into the AI chatbot prompt when activated in a different tab. This issue was fixed in Firefox 137. The vulnerability is classified under CWE-359 (Exposure of Private Information Through Persistent URL). It has a CVSS 3.1 base score of 5.3 (medium severity) with network attack vector, low attack complexity, no privileges required, no user interaction, and only confidentiality impact. The vendor advisory confirms the fix was included in Firefox 137.
Potential Impact
The impact is limited to confidentiality as the document title from one tab can be disclosed to the AI chatbot prompt in another tab, potentially leaking sensitive or private information contained in tab titles. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
This vulnerability is fixed in Mozilla Firefox version 137. Users and administrators should update to Firefox 137 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
CVE-2025-3035: Vulnerability in Mozilla Firefox
Description
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-3035 is a vulnerability in Mozilla Firefox where the document title from a previously used tab leaks into the AI chatbot prompt when activated in a different tab. This issue was fixed in Firefox 137. The vulnerability is classified under CWE-359 (Exposure of Private Information Through Persistent URL). It has a CVSS 3.1 base score of 5.3 (medium severity) with network attack vector, low attack complexity, no privileges required, no user interaction, and only confidentiality impact. The vendor advisory confirms the fix was included in Firefox 137.
Potential Impact
The impact is limited to confidentiality as the document title from one tab can be disclosed to the AI chatbot prompt in another tab, potentially leaking sensitive or private information contained in tab titles. There is no impact on integrity or availability. No known exploits are reported in the wild.
Mitigation Recommendations
This vulnerability is fixed in Mozilla Firefox version 137. Users and administrators should update to Firefox 137 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2025-03-31T09:35:34.434Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2025-20/","vendor":"Mozilla"}]
Threat ID: 69dd057b82d89c981f0174e2
Added to database: 4/13/2026, 3:02:19 PM
Last enriched: 4/13/2026, 3:18:09 PM
Last updated: 4/13/2026, 5:16:15 PM
Views: 3
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