CVE Catalog

CVE-2026-81571

MediumCVSS 4.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.15%

5th percentile - higher than 5% of all known CVEs

Summary

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.

Risk Assessment

An attacker can execute arbitrary shortcodes, potentially leading to unauthorized actions such as content modification, data theft, or site takeover.

Recommendation

Update the Brave plugin to version 0.8.8 or later. Additionally, check that no dangerous shortcodes are registered on the site.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS