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CVE-2025-10290— Opening links via the contextual menu in Focus for iOS would not update the toolbar UI correctly, allowing attackers to spoof websites

Quick assessment

Affected
Mozilla Focus for iOS
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 Focus for iOS是美国Mozilla基金会的一款专为iOS设备设计的隐私浏览器。 Mozilla Firefox Focus for iOS 143.0之前版本存在安全漏洞，该漏洞源于上下文菜单中特定URL方案加载失败但未正确刷新工具栏，可能导致攻击者伪造网站。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-10290

Vulnerability Information
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Vulnerability Title
Opening links via the contextual menu in Focus for iOS would not update the toolbar UI correctly, allowing attackers to spoof websites
Source: CVE Program / CVE List V5
Vulnerability Description
Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press. This vulnerability was fixed in Focus for iOS 143.0.
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 Focus for iOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox Focus for iOS是美国Mozilla基金会的一款专为iOS设备设计的隐私浏览器。 Mozilla Firefox Focus for iOS 143.0之前版本存在安全漏洞，该漏洞源于上下文菜单中特定URL方案加载失败但未正确刷新工具栏，可能导致攻击者伪造网站。
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 Focus for iOS 143.0 ~ * -

II. Public POCs for CVE-2025-10290

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III. Intelligence Information for CVE-2025-10290

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Same Patch Batch · Mozilla · 2025-09-16 · 12 CVEs total

CVE-2025-10528 Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D compon
CVE-2025-10533 Integer overflow in the SVG component
CVE-2025-10527 Sandbox escape due to use-after-free in the Graphics: Canvas2D component
CVE-2025-10532 Incorrect boundary conditions in the JavaScript: GC component
CVE-2025-10529 Same-origin policy bypass in the Layout component
CVE-2025-10537 Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thun
CVE-2025-10536 Information disclosure in the Networking: Cache component
CVE-2025-10530 Spoofing issue in the WebAuthn component in Firefox for Android
CVE-2025-10531 Mitigation bypass in the Web Compatibility: Tooling component
CVE-2025-10535 Information disclosure, mitigation bypass in the Privacy component in Firefox for Android
CVE-2025-10534 Spoofing issue in the Site Permissions component

IV. Related Vulnerabilities

Same product: Focus for iOS
Same vendor: Mozilla

V. Comments for CVE-2025-10290

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