CVE-2026-1070: 
WordPress vulnerability analysis and mitigation

CVE-2026-1070 is a Cross-Site Request Forgery (CSRF) vulnerability in the Alex User Counter plugin for WordPress, affecting all versions up to and including 6.0. The flaw allows unauthenticated attackers to update plugin settings by tricking a site administrator into clicking a malicious link. It was published on January 24, 2026, and assigned by Wordfence. The CVSS v3.1 base score is 4.3 (Medium) (Wordfence, Red Hat CVE).

The vulnerability is classified as CWE-352 (Cross-Site Request Forgery) and stems from missing nonce validation in the alex_user_counter_function() function within the plugin's user-counter.php file (line 41). Because no nonce or other CSRF token is verified before processing settings updates, an attacker can craft a forged HTTP request that, when triggered by an authenticated administrator, causes the plugin settings to be modified without the administrator's knowledge or consent. No authentication is required on the attacker's side; the attack relies entirely on social engineering the site administrator (Wordfence, WordPress Plugin Trac).

Successful exploitation allows an unauthenticated attacker to modify the Alex User Counter plugin's settings on a vulnerable WordPress site, resulting in a low integrity impact with no confidentiality or availability impact. The attack scope is limited to the plugin's configuration, and there is no evidence of lateral movement potential or sensitive data exposure. While the direct impact is limited, unauthorized settings changes could be used to manipulate displayed user counts or potentially facilitate further site defacement depending on plugin functionality (Wordfence).

No public proof-of-concept exploit code or evidence of in-the-wild exploitation has been reported for CVE-2026-1070. The EPSS score is approximately 0.012% (0.000120), indicating a very low probability of exploitation in the near term. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, and no threat actor attribution has been identified (Feedly).

1. Reconnaissance: Identify WordPress sites running the Alex User Counter plugin version 6.0 or earlier, using tools such as WPScan or by inspecting publicly accessible plugin metadata.
2. Craft malicious request: Construct an HTTP POST request targeting the vulnerable alex_user_counter_function() endpoint with desired plugin settings parameters, without requiring any authentication token or nonce.
3. Social engineering: Embed the forged request in a malicious link or webpage (e.g., an <img> tag or auto-submitting HTML form) designed to be triggered when a logged-in WordPress administrator visits or interacts with the attacker-controlled content.
4. Trigger CSRF: Trick the site administrator into clicking the link or visiting the page (e.g., via phishing email), causing their browser to automatically submit the forged request with their authenticated session cookies.
5. Settings modified: The plugin processes the request without nonce validation, updating the plugin settings to the attacker's desired values (Wordfence, WordPress Plugin Trac).

• Logs: WordPress access logs showing unexpected POST requests to the plugin's settings handler from unusual referrer URLs or external domains, particularly when correlated with an administrator session.
• File System: Unexpected changes to the Alex User Counter plugin's stored settings in the WordPress database (wp_options table), particularly if the modification timestamp does not align with known administrative activity.
• Network: HTTP requests originating from an administrator's browser to the plugin settings endpoint with a referrer pointing to an external or unfamiliar domain.

Users should update the Alex User Counter plugin to a version beyond 6.0 that includes proper nonce validation in the alex_user_counter_function() function. If no patched version is yet available, administrators should deactivate and remove the plugin until a fix is released. As a general hardeguard, WordPress administrators should avoid clicking unsolicited links while logged into the admin panel, and consider using browser extensions or security plugins that help detect CSRF attempts (Wordfence).