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    CVE-2026-77115

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

    Published:Aug 23, 2026
    Last Modified:Aug 23, 2026
    EPS:Aug 23, 2026
    EPSS Score:0.00208
    CVSS Score:7.1

    Affected Products

    Vendor
    Brave
    Product
    Brave

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2025-48980 (CVSS 6.5) — In Brave Browser Desktop versions prior to 1.83.10 that have the split view feature enabled, the "Open Link in…
    CVE-2025-7710 (CVSS 9.8) — The Brave Conversion Engine (PRO) plugin for WordPress is vulnerable to Authentication Bypass in all versions …
    CVE-2023-28360 (CVSS 4.3) — An omission of security-relevant information vulnerability exists in Brave desktop prior to version 1.48.171 w…
    CVE-2022-47934 (CVSS 6.5) — Brave Browser before 1.43.88 allowed a remote attacker to cause a denial of service in private and guest windo…
    CVE-2022-47933 (CVSS 6.5) — Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file th…
    CVE-2022-47932 (CVSS 6.5) — Brave Browser before 1.43.34 allowed a remote attacker to cause a denial of service via a crafted HTML file th…
    CVE-2022-30334 (CVSS 5.3) — Brave before 1.34, when a Private Window with Tor Connectivity is used, leaks .onion URLs in Referer and Origi…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High