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CVE-2025-27426: Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL This vulnerability affects...

Description

Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL This vulnerability affects Firefox for iOS < 136.

Classification

CVE ID: CVE-2025-27426

Problem Types

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

Affected Products

Vendor: Mozilla

Product: Firefox for iOS

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 5.42% (scored less or equal to compared to others)

EPSS Date: 2025-04-02 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-27426
https://bugzilla.mozilla.org/show_bug.cgi?id=1933079
https://www.mozilla.org/security/advisories/mfsa2025-13/

Timeline