CVE-2026-1671
Unauthorized Data Access in WordPress Activity Log Plugin
Publication date: 2026-02-12
Last updated on: 2026-02-12
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wordfence | winter_activity_log | to 1.2.8 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The Activity Log for WordPress plugin is vulnerable due to a missing capability check in the winter_activity_log_action() function in all versions up to and including 1.2.8.
This vulnerability allows authenticated attackers with Subscriber-level access or higher to access sensitive information contained in the plugin's log files.
Specifically, attackers can view potentially sensitive data such as the passwords of higher-level users like administrators.
How can this vulnerability impact me? :
This vulnerability can lead to unauthorized disclosure of sensitive information stored in the plugin's activity logs.
An attacker with Subscriber-level access could exploit this flaw to view passwords and other sensitive data of higher privileged users, potentially leading to privilege escalation or account compromise.
Such exposure can undermine the security of the WordPress site and its users.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The vulnerability exists in all versions of the Activity Log for WordPress plugin up to and including version 1.2.8. To mitigate this vulnerability, you should update the plugin to a version later than 1.2.8 where the missing capability check issue is resolved.