CVE-2026-82195 Overview
CVE-2026-82195 affects the 10Web Booster WordPress plugin in versions prior to 2.34.0. The plugin fails to restrict access to the routine that issues the shared secret used for authenticating its cloud connection. Unauthenticated visitors can read this secret and repeatedly delete it, blocking administrators from completing a legitimate cloud connection. The weakness is categorized under CWE-862 (Missing Authorization).
Critical Impact
Unauthenticated remote attackers can disclose the plugin's cloud authentication secret and repeatedly delete it, preventing legitimate administrator setup and compromising the integrity of the cloud connection trust boundary.
Affected Products
- 10Web Booster WordPress plugin versions prior to 2.34.0
- WordPress sites running the vulnerable 10Web Booster plugin
- Associated 10Web cloud optimization service connections
Discovery Timeline
- 2026-09-24 - CVE CVE-2026-82195 published to NVD
- 2026-09-24 - Last updated in NVD database
Technical Details for CVE-2026-82195
Vulnerability Analysis
The 10Web Booster plugin exposes an endpoint that generates and returns a shared secret used to authenticate the WordPress site to the 10Web cloud service. The endpoint does not enforce capability or nonce checks before executing its logic. Any unauthenticated HTTP visitor can therefore trigger the routine, retrieve the issued secret, and invalidate it on demand.
Two distinct impacts follow from this missing authorization. First, disclosure of the shared secret undermines the confidentiality of the cloud connection channel. Second, repeated invocation of the delete path produces a denial-of-service condition for the pairing workflow, preventing administrators from completing the legitimate connection handshake.
Root Cause
The root cause is a missing authorization check [CWE-862] on the plugin route that handles cloud connection secret issuance and removal. The handler executes privileged state changes without verifying the caller is an authenticated administrator and without validating a WordPress nonce.
Attack Vector
The attack vector is network-based and requires no authentication or user interaction. An attacker sends crafted HTTP requests to the vulnerable plugin endpoint on a WordPress site running a version prior to 2.34.0. The attacker reads the returned secret, then issues repeated delete requests to prevent any administrator from completing cloud pairing.
No verified public exploit code is available. For additional technical context, see the WPScan Vulnerability Report.
Detection Methods for CVE-2026-82195
Indicators of Compromise
- Unauthenticated HTTP requests to 10Web Booster plugin REST or AJAX endpoints handling cloud connection secrets.
- Repeated administrator reports of failed or interrupted 10Web cloud pairing attempts.
- Unexpected regeneration or deletion events in the plugin's connection state or options table.
Detection Strategies
- Review web server access logs for anonymous requests targeting /wp-admin/admin-ajax.php or REST routes associated with the 10Web Booster plugin.
- Correlate high-frequency hits to plugin connection endpoints from the same source IP with administrator-reported pairing failures.
- Audit the wp_options table for frequent writes or deletions of 10Web connection keys.
Monitoring Recommendations
- Enable WordPress plugin activity logging and forward events to a centralized log platform.
- Alert on bursts of unauthenticated requests to any plugin REST namespace registered by 10Web Booster.
- Monitor outbound connections from the WordPress host to 10Web cloud endpoints for unexpected re-authentication cycles.
How to Mitigate CVE-2026-82195
Immediate Actions Required
- Upgrade the 10Web Booster plugin to version 2.34.0 or later on all affected WordPress installations.
- Rotate any shared secrets or tokens that may have been issued by the vulnerable endpoint before patching.
- Review access logs for prior exploitation attempts targeting the plugin's cloud connection routes.
Patch Information
The vendor has addressed the issue in 10Web Booster version 2.34.0. The fix adds proper authorization checks to the cloud connection secret issuance and deletion routines. Refer to the WPScan Vulnerability Report for release references.
Workarounds
- Temporarily deactivate the 10Web Booster plugin if an immediate upgrade is not possible.
- Restrict access to /wp-admin/admin-ajax.php and plugin REST endpoints at the web application firewall for unauthenticated sources.
- Block known scanning IPs targeting WordPress plugin enumeration until the patched version is deployed.
# Example WP-CLI command to update the plugin to the patched version
wp plugin update tenweb-speed-optimizer --version=2.34.0
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
