Vulnerability · Published Apr 1, 2025 · Assigned by mozilla

CVE-2025-3035Tab title disclosure across pages when using AI chatbot

Medium 5.3

In plain English

A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2025-3035
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2025-3035
Ubuntu:24.04:LTSmozjs115no fix listedUBUNTU-CVE-2025-3035
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2025-3035
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2025-3035

Affected products (as reported)

VendorProductVersions
Mozilla Firefox see references

Weakness: CWE-359 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References