CVE-2026-81571
Brave Popup Builder < 0.8.8 - Unauthenticated Arbitrary Shortcode Execution via UTM Parameter
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 2, 2026
- Updated
- Sep 2, 2026
- Reserved
- Aug 27, 2026
Description
The Brave WordPress plugin before 0.8.8 does not prevent a URL parameter used to pre-fill a form field from being passed to WordPress's shortcode engine, allowing unauthenticated attackers to have arbitrary shortcodes registered on the site executed server-side.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N | WPScan |
Weaknesses
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products
| Product | Versions |
|---|---|
BraveUnknown |
|
References
- https://wpscan.com/vulnerability/049d0bfc-962b-4f5b-a089-c45f4ad981e3/exploitvdb-entrytechnical-description
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