CVE-2026-81648CryptoPayment Gateway Path Traversal
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…
Published Sep 13, 2026 · Updated Sep 16, 2026 · Also known as 43fbc5df-dd8c-4a1d-92e9-5f3881cfb2e0, EUVD-2026-77085, GHSA-9r3q-6qw8-8pm7, WORDFENCE-43fbc5df-dd8c-4a1d-92e9-5f3881cfb2e0
Key Facts
Patch immediately- CVE-2026-81648 is a critical-severity vulnerability (CVSS 10.0 v3.1) affecting CryptoPayment Gateway (wordpress-plugin).
- It is exploited in the wild, listed in Industry KEV feed since Nov 2, 2026. No public exploit code is known.
- EPSS estimates a 0.5% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.5%
Higher than 42.7% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
52/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Nov 2, 2026
50 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 2, 2026 | n/a | Not reported |
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| CryptoPayment Gatewaywordpress-plugin | >= 1.2.1 | n/a |
Timeline
Publicly disclosed
Sep 13, 2026
Last updated
Sep 16, 2026
Added to Industry KEV feed
Nov 2, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
- CWE-862 Missing Authorization
FAQ
Common Questions.
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 wa…
Affected: CryptoPayment Gateway (wordpress-plugin) versions >= 1.2.1. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Nov 2, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2026-81648 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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