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CVE-2025-27425

QR code user confirmation bypass with invalid protocol

MEDIUM
4.3
CVSS Score
Published: March 4, 2025 at 01:31 PM UTC
Updated: October 5, 2026 at 03:10 PM UTC
1 product affected across 1 vendorFirefox· also runs on 1 platform

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Scanning certain QR codes that included text with a website URL could allow the URL to be opened without presenting the user with a confirmation alert first This vulnerability affects Firefox for iOS < 136.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 136.0
Vendor states this is fixed in 136 (unaffected)
Affected range stops below 136.0, so it looks safe — our inference, not a vendor statement
apple-iphone-os (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Issue Tracking
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1941525
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2025-13/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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