[iOS] - Download Filename Incorrect

[Brandon-T]

Description

• https://hackerone.com/reports/3091874
• Downloads for data URIs not working

Steps to reproduce

1. https://hackerone.com/reports/3091874

Actual result

• Downloads not working

Expected result

Filename should show correctly

Reproduces how often

Easily reproduced

Brave version

• 1.77.x+

Device/iOS version

• Any

Affected browser versions

• latest AppStore
• latest TestFlight
• previous TestFlight

Reproducibility

• with Brave Shields disabled
• in the latest version of mobile Safari

Miscellaneous information

No response

[kjozwiak]

The above requires 1.78.85 or higher for 1.78.x verification 👍

[hffvld]

Verified on iPhone 14 using version(s):

Device/OS: iPhone 14 / iOS 17.7.2
Brave build: 1.78 (93)
BraveCore: 1.78.93 (136.0.7103.60)

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STEPS:

1. Follow the STR/TP from https://hackerone.com/reports/3091874
2. Verify

ACTUAL RESULTS:

• Verified that downloading a file works as expected.
• Verified that the correct file extension is shown when downloading a file.

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2025-05-01_16-54-17.mp4