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CVE-2026-77116— Brave Popup Builder < 0.8.6 - Subscriber+ Unpublished Popup Disclosure via Preview

Quick assessment

Affected
Unknown Brave
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Brave Popup Builder（插件名称/slug：brave-popup-builder）在 0.8.5 及更早版本中存在一个访问控制缺陷。任何已登录的用户（包括订阅者或 WooCommerce 客户），只需通过 URL 传递帖子 ID，即可访问其无权查看的弹窗内容。

AI Predicted 5.3 Difficulty: Easy EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Brave < 0.8.6 affected
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I. Basic Information for CVE-2026-77116

Vulnerability Information
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Vulnerability Title
Brave Popup Builder < 0.8.6 - Subscriber+ Unpublished Popup Disclosure via Preview
Source: CVE Program / CVE List V5
Vulnerability Description
Brave Popup Builder (slug: brave-popup-builder) has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Brave 0 ~ 0.8.6 -

II. Public POCs for CVE-2026-77116

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-77116

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Vendor Advisories for CVE-2026-77116 (1)

Same Patch Batch · Unknown · 2026-08-23 · 5 CVEs total

CVE-2026-77115 Brave Popup Builder < 0.8.6 - Unauthenticated Reflected XSS via UTM Parameters
CVE-2026-77003 Content Mask 1.8.0 - 1.8.5.4 - Contributor Publish Capability Bypass via create_new_conten
CVE-2026-14853 WooCommerce Bookings < 3.9.0 - Subscriber+ Draft Bookable Product Creation via Missing Aut
CVE-2026-13598 RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation to Administrator

IV. Related Vulnerabilities

Same product: Brave
Same vendor: Unknown

V. Comments for CVE-2026-77116

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