CVE-2026-13356— Interrupted navigation could allow address bar origin spoofing in Firefox for iOS
Quick assessment
Affected
Mozilla Firefox 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是Mozilla基金会开源的一款Web浏览器。 Mozilla Firefox for iOS 152.3之前版本存在处理逻辑错误漏洞，该漏洞源于处理逻辑错误，可能导致恶意网页通过排队同步JavaScript对话框中断待定导航，导致浏览器UI在地址栏中显示目标来源，同时继续渲染攻击者控制的内容。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox for iOS | 152.3≤ * |
unaffected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-13356
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Interrupted navigation could allow address bar origin spoofing in Firefox for iOS
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.
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 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是Mozilla基金会开源的一款Web浏览器。 Mozilla Firefox for iOS 152.3之前版本存在处理逻辑错误漏洞，该漏洞源于处理逻辑错误，可能导致恶意网页通过排队同步JavaScript对话框中断待定导航，导致浏览器UI在地址栏中显示目标来源，同时继续渲染攻击者控制的内容。
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 for iOS | 152.3 ~ * | - |
|
II. Public POCs for CVE-2026-13356
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-13356
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-13356 (1)
IV. Related Vulnerabilities
Same product: Firefox for iOS
-
CVE-2026-86853
Repeated external URL scheme launches could potentially caus -
CVE-2026-81267
Stalled popup navigation could allow address bar origin spoo -
CVE-2026-14906
Malicious webpage titles could allow overwriting of bundled -
CVE-2026-53900
Cookie injection was possible when opening a PDF link -
CVE-2026-53899
Cross-origin cookies could be leaked when opening a PDF link
Same vendor: Mozilla
-
CVE-2026-103500
Heap buffer overflow opening large email -
CVE-2026-100832
Use-after-free in the Graphics: Canvas2D component -
CVE-2026-100830
Mitigation bypass in the DOM: Navigation component -
CVE-2026-100831
Use-after-free in the DOM: UI Events & Focus Handling compon -
CVE-2026-100829
Mitigation bypass in the DOM: Security component
V. Comments for CVE-2026-13356
No comments yet