CVE-2026-108064 WP Encryption CVE debrief

Who should care

Defenders responsible for WordPress installations using the WP Encryption plugin should assess exposure and prioritize verification and remediation to prevent potential exploitation. This includes verifying the version of the WP Encryption plugin, monitoring for suspicious requests, and implementing additional security measures to protect against unauthorized certificate private key and ACME order replacement.

Why it matters

CVE-2026-108064 is a vulnerability in the WP Encryption WordPress plugin that allows unauthenticated users to overwrite the site's certificate private key and replace its pending Let's Encrypt order and challenge material. Defenders should prioritize verification and remediation to prevent potential exploitation.

• Defenders should verify the version of the WP Encryption plugin to prevent unauthorized certificate private key and ACME order replacement.
• Defenders should monitor for suspicious requests to the wple_auto_handler to detect potential exploitation attempts.
• Defenders should consider implementing additional security measures to protect against unauthorized certificate private key and ACME order replacement.

Technical summary

The WP Encryption WordPress plugin before version 7.8.8.2 does not perform a capability or nonce check on one of its handlers, allowing unauthenticated users to overwrite the site's certificate private key and replace its pending Let's Encrypt order and challenge material with a single request. This vulnerability could lead to unauthorized certificate private key and ACME order replacement, potentially disrupting the site's security posture. Defenders should prioritize verifying the version of the WP Encryption plugin and ensuring it is updated to 7.8.8.2 or later.

Defensive priority

Defenders should prioritize verifying the version of the WP Encryption plugin and ensuring it is updated to 7.8.8.2 or later.

Recommended defensive actions

• Verify the version of the WP Encryption plugin and update to 7.8.8.2 or later
• Monitor for suspicious requests to the wple_auto_handler
• Consider implementing additional security measures to protect against unauthorized certificate private key and ACME order replacement
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability was reported by WPScan and is described in the CVE Program record and the NVD vulnerability detail page. The CVE record was published on 2026-10-14T06:00:12.106Z and has not been modified since then. There are no known details on the scope of affected deployments or confirmed exploitation attempts. Defenders should verify the version of the WP Encryption plugin to ensure it is updated to 7.8.8.2 or later.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.