User Activity Log <= 2.2 - Unauthenticated Limited Options Update via Failed Login
| CVE | CVE-2025-11877 |
|---|---|
| CVSS | 7.5 (High) |
| Publicly Published | January 6, 2026 |
| Last Updated | February 3, 2026 |
| Researcher |
shark3y
|
Description
The User Activity Log plugin is vulnerable to a limited options update in versions up to, and including, 2.2. The failed-login handler 'ual_shook_wp_login_failed' lacks a capability check and writes failed usernames directly into update_option() calls. This makes it possible for unauthenticated attackers to push select site options from 0 to a non-zero value, allowing them to reopen registration or corrupt options like 'wp_user_roles', breaking wp-admin access. CVE-2025-13471 appears to be a duplicate of this CVE.
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Vulnerability Details for User Activity Log
| Software Type | Plugin |
|---|---|
| Software Slug | user-activity-log (view on wordpress.org) |
| Patched? | No |
| Remediation | No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. |
| Affected Version |
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Recent vulnerabilities in User Activity Log
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