CVE-2026-94498 Overview
CVE-2026-94498 is an unauthenticated broken access control vulnerability in the AppMySite WordPress plugin affecting versions up to and including 3.15.4. The flaw is categorized under [CWE-862] Missing Authorization, allowing remote attackers to reach functionality that should be restricted to authenticated users. Because no credentials or user interaction are required, any network-accessible instance of the plugin is reachable by an attacker. Successful exploitation can result in limited integrity and availability impact on the affected WordPress site.
Critical Impact
Unauthenticated attackers can invoke protected AppMySite plugin functionality over the network, leading to unauthorized data modification and limited service disruption on WordPress sites running version 3.15.4 or earlier.
Affected Products
- AppMySite WordPress plugin versions <= 3.15.4
- WordPress sites with the AppMySite plugin installed and activated
- Mobile app builds generated by affected AppMySite plugin deployments
Discovery Timeline
- 2026-09-23 - CVE-2026-94498 published to the National Vulnerability Database
- 2026-09-23 - Last updated in NVD database
Technical Details for CVE-2026-94498
Vulnerability Analysis
The vulnerability is a broken access control issue in the AppMySite WordPress plugin. The plugin exposes one or more endpoints that fail to enforce authorization checks before processing requests. Attackers reach these endpoints over the network without authentication or user interaction. The result is limited integrity impact and limited availability impact on the target site, while confidentiality is not affected according to the published vector.
Broken access control issues in WordPress plugins commonly stem from REST API routes or AJAX handlers that lack a permission_callback or a current_user_can() check. When these controls are missing, WordPress executes the underlying handler for any caller. Details specific to the affected endpoints are documented in the Patchstack WordPress Vulnerability Report.
Root Cause
The root cause is Missing Authorization [CWE-862]. The affected plugin code path does not verify that the caller holds the required capability or role before executing privileged actions. Access decisions rely on the caller reaching the endpoint rather than on an explicit authorization check.
Attack Vector
The attack vector is network-based and requires neither privileges nor user interaction. An attacker sends crafted HTTP requests directly to the vulnerable plugin endpoint on a target WordPress site. No authentication tokens, nonces, or session state are required to trigger the flaw. Refer to the vendor advisory for endpoint-level detail.
No verified proof-of-concept code is publicly available.
See the Patchstack advisory linked above for technical specifics.
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Stop Identity AttacksDetection Methods for CVE-2026-94498
Indicators of Compromise
- Unauthenticated HTTP requests to AppMySite plugin routes under /wp-json/ or /wp-admin/admin-ajax.php originating from unexpected source addresses.
- Unexpected changes to AppMySite plugin configuration or generated mobile app assets without a corresponding administrator session.
- WordPress audit log entries showing privileged plugin actions with no associated authenticated user context.
Detection Strategies
- Inventory WordPress installations and identify sites running AppMySite version 3.15.4 or earlier.
- Review web server access logs for requests to AppMySite endpoints that lack valid session cookies or authentication headers.
- Correlate plugin state changes with authenticated administrator activity to surface unauthorized modifications.
Monitoring Recommendations
- Enable WordPress activity logging and forward events to a centralized SIEM for correlation.
- Alert on anomalous request volume or method usage against AppMySite plugin routes.
- Monitor for outbound requests or file changes initiated by the WordPress process outside normal update windows.
How to Mitigate CVE-2026-94498
Immediate Actions Required
- Upgrade the AppMySite plugin to a version later than 3.15.4 as soon as a fixed release is available from the vendor.
- Restrict administrative access to WordPress installations using network-level controls and multi-factor authentication.
- Audit AppMySite plugin configuration and generated app builds for unauthorized changes since deployment.
Patch Information
Consult the Patchstack WordPress Vulnerability Report for the current fixed version and vendor remediation guidance. Apply the plugin update through the WordPress admin dashboard or via WP-CLI once the vendor publishes a patched release.
Workarounds
- Deactivate and remove the AppMySite plugin until a patched version is installed if the functionality is not business-critical.
- Deploy a web application firewall rule to block unauthenticated requests to AppMySite REST and AJAX endpoints.
- Limit access to the WordPress site by IP allowlist while remediation is in progress.
# Example: disable the AppMySite plugin using WP-CLI until a patch is applied
wp plugin deactivate appmysite
wp plugin status appmysite
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
