Brave Popup Builder Plugin up to 0.8.5 post ID authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k6.10

Summaryinfo

A vulnerability marked as problematic has been reported in Brave Popup Builder Plugin up to 0.8.5. Impacted is an unknown function. This manipulation of the argument post ID causes authorization. This vulnerability is handled as CVE-2026-77116. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Brave Popup Builder Plugin up to 0.8.5. It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation of the argument post ID with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-77116 since 08/20/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.8.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-64639). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Brave Popup Builder Plugin 0.8.6

Timelineinfo

08/20/2026 CVE reserved
08/23/2026 +3 days Advisory disclosed
08/23/2026 +0 days VulDB entry created
08/23/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2026-77116 (🔒)
GCVE (CVE): GCVE-0-2026-77116
GCVE (VulDB): GCVE-100-394531
EUVD: 🔒

Entryinfo

Created: 08/23/2026 08:30
Updated: 08/23/2026 11:48
Changes: 08/23/2026 08:30 (53), 08/23/2026 11:48 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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