CVE-2025-71278
High · 8.8CVSS
8.8
EPSS
0.3%
Published
Apr 1, 2026
CISA due date
—
The record
XenForo before 2.3.5 allows OAuth2 client applications to request unauthorized scopes. This affects any customer using OAuth2 clients on any version of XenForo 2.3 prior to 2.3.5, potentially allowing client applications to gain access beyond their intended authorization level.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-96398 Incorrect Authorization vulnerability in Drupal Webform allows Forceful Browsing. CWE-863
- CVE-2026-96384 Incorrect Authorization vulnerability in Drupal Mermaid Diagram Field allows Forceful… CWE-863
- CVE-2026-96370 Incorrect Authorization vulnerability in Drupal Webform allows Server Side Request… CWE-863
- CVE-2026-96373 Incorrect Authorization vulnerability in Drupal Webform allows Forceful Browsing. CWE-863
- CVE-2026-96366 Incorrect Authorization vulnerability in Drupal Webform allows Forceful Browsing. CWE-863
- CVE-2026-96356 Incorrect Authorization vulnerability in Drupal Webform allows Forceful Browsing. CWE-863
- CVE-2026-84917 Incorrect Authorization vulnerability in Drupal Jsonapi Role Access allows Forceful… CWE-863
- CVE-2026-84920 Incorrect Authorization vulnerability in Drupal Unpublished Node Permissions allows… CWE-863