Vulnerability · Published Aug 23, 2026 · Assigned by WPScan

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 0.8.6 - Subscriber+ Unpublished Popup Disclosure via Preview

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in Brave from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 80.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Brave	0 – before 0.8.6

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://wpscan.com/vulnerability/db0a775c-cbac-4918-8b10-75f4fb2d716a/ exploit, vdb-entry, technical-description