CVE-2026-77115

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CVSS 3.1

7.1 high

EPSS

<1%p4

Published

Aug 23, 2026 (23d ago)

Modified

Aug 26, 2026

Description

Brave Popup Builder (brave-popup-builder) up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them.

Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.1%)

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