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CVE-2026-81648

CriticalPublished

CryptoPayment Gateway 1.2.1 - 1.2.2 - Unauthenticated Arbitrary File Deletion and Settings Update via Unguarded AJAX Router

Published: Sep 13, 2026
Updated: Sep 14, 2026
Assigning CNA: WPScan
Evidence observed: Sep 20, 2026

Primary CVSS

10.0/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

0.3%

Low · next 30 days

Percentile: 20.4%
Model date: Sep 20, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The CryptoPayment Gateway WordPress plugin from 1.2.1 to 1.2.2 does not apply an authorization check on one of its AJAX endpoints, allowing unauthenticated users to invoke administrative operations, including deleting arbitrary files on the server, overwriting the payment gateway configuration and recovering stored wallet credentials in cleartext.

Sources

CVE-2026-81648PoC
Proof-of-concept exploit and lab for CVE-2026-81648, an unauthenticated arbitrary file deletion flaw in the WordPress CryptoPayment Gateway plugin.

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