CVE-2025-3035
MEDIUMCVSS 5.3/10EPSS 0.26%
Last modified
CVE-2025-3035 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 137.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1952268Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-20/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-3035?
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.
How severe is CVE-2025-3035?
CVE-2025-3035 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2025-3035?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-3035?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST