Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-27426— Firefox Mobile iOS Full Address Bar Spoof Using Server-Side Redirect to internal error page

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是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 136之前版本存在输入验证错误漏洞，该漏洞源于服务器重定向导致URL欺骗。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Mozilla Firefox for iOS 136≤ * unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-27426

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Firefox Mobile iOS Full Address Bar Spoof Using Server-Side Redirect to internal error page
Source: CVE Program / CVE List V5
Vulnerability Description
Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL. This vulnerability was fixed in Firefox for iOS 136.
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 输入验证错误漏洞
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 136之前版本存在输入验证错误漏洞，该漏洞源于服务器重定向导致URL欺骗。
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 136 ~ * -

II. Public POCs for CVE-2025-27426

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-27426

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-27426 (1)

Same Patch Batch · Mozilla · 2025-03-04 · 17 CVEs total

CVE-2025-27425 QR code user confirmation bypass with invalid protocol
CVE-2025-27424 Firefox Mobile iOS Address Bar Spoof Using Server-Side Redirect to non-http Scheme
CVE-2025-1943 Memory safety bugs fixed in Firefox 136 and Thunderbird 136
CVE-2025-1937 Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR
CVE-2025-1938 Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbi
CVE-2025-1935 Clickjacking the registerProtocolHandler info-bar
CVE-2025-1942 Disclosure of uninitialized memory when .toUpperCase() causes string to get longer
CVE-2025-1936 Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents
CVE-2025-1941 Lock screen setting bypass in Firefox Focus for Android
CVE-2025-1934 Unexpected GC during RegExp bailout processing
CVE-2025-1932 Inconsistent comparator in XSLT sorting led to out-of-bounds access
CVE-2025-1940 Android Intent confirmation prompt tapjacking using Select options
CVE-2025-1933 JIT corruption of WASM i32 return values on 64-bit CPUs
CVE-2025-1931 Use-after-free in WebTransportChild
CVE-2025-1939 Tapjacking in Android Custom Tabs using transition animations
CVE-2025-1930 AudioIPC StreamData could trigger a use-after-free in the Browser process

IV. Related Vulnerabilities

Same product: Firefox for iOS
Same vendor: Mozilla

V. Comments for CVE-2025-27426

No comments yet

Leave a comment