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

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 137之前版本存在安全漏洞，该漏洞源于在一个标签页使用AI聊天机器人后激活另一个标签页时，前一标签页的文档标题会泄漏到聊天提示中。

AI Predicted 6.5 Difficulty: Easy EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2025-3035

Vulnerability Information
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Vulnerability Title
Tab title disclosure across pages when using AI chatbot
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 137之前版本存在安全漏洞，该漏洞源于在一个标签页使用AI聊天机器人后激活另一个标签页时，前一标签页的文档标题会泄漏到聊天提示中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox 137 ~ * -

II. Public POCs for CVE-2025-3035

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III. Intelligence Information for CVE-2025-3035

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Vendor Advisories for CVE-2025-3035 (1)

Same Patch Batch · Mozilla · 2025-04-01 · 8 CVEs total

CVE-2025-3034 Memory safety bugs fixed in Firefox 137 and Thunderbird 137
CVE-2025-3033 Opening local .url files could lead to another file being opened
CVE-2025-3032 Leaking file descriptors from the fork server
CVE-2025-3031 JIT optimization bug with different stack slot sizes
CVE-2025-3030 Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbi
CVE-2025-3029 URL Bar Spoofing via non-BMP Unicode characters
CVE-2025-3028 Use-after-free triggered by XSLTProcessor

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2025-3035

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