Vulnerability report

Trusted Third Party Report High Confidence Not in CISA KEV

CVE-2026-81648

CryptoPayment Gateway

CryptoPayment Gateway · 1.2.1 to <= 1.2.2

Watch CVE-2026-81648 Browse KEV feed
Severity
CVSS 10.0 · Critical
Confidence
High
Exploit status
Trusted Third Party Report
EPSS
0.5%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-81648 is an unauthenticated vulnerability affecting CryptoPayment Gateway.

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Also reported by third-party sources. Confidence is high.

Who is affected?

CryptoPayment Gateway 1.2.1 to <= 1.2.2.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

CryptoPayment Gateway

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.

Unknown Affected
CryptoPayment Gateway
Through 1.2.2
Published
13 Sep 2026
Exploitation Attempts Reported
03 Nov 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

wordpress edge

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-81648
  • Exploit — wpscan.com wpscan.com · Exploit https://wpscan.com/vulnerability/9b1490a0-1381-4d22-8086-f75aade4e898/

Exploitation evidence

Evidence of exploitation attempts

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploitation Attempts Observed in the Wild

The Hacker News

Recorded 03 Nov 2026

A trusted third party reported exploitation attempts.

Proof of concept available

CVE

Recorded 13 Sep 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
The Hacker News First 2026-11-03 08:11 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

10.0 Critical

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

0.5%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Missing Authorization CWE-862

Recent mention · The Hacker News

Attackers Target Unpatched CryptoPayment Gateway Flaw That Can Expose Wallet Credentials

Threat actors are attempting to exploit an unpatched maximum-severity security vulnerability in the CryptoPayment Gateway WordPress plugin, according to findings from Defused Cyber. The vulnerability in question is CVE-2026-81648, which carries a CVSS score of 10.0....

Read full advisory

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

abraxas/CVE-2026-81648

github · Created 2026-09-19 20:21:48 UTC · 0 stars · AI assessment 85%

CVE-2026-81648 - WordPress - CryptoPayment Gateway - Critical 10.0 - Unauthenticated POST /wp-content/plugins/cryptopayment-gateway/vendor/cryptd/ajax.php - Arbitrary File Deletion

CVE Record exploit — wpscan.com

cve · Created Unknown

Timeline

From disclosure to observed exploitation attempts

  1. 08:11 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party report of exploitation attempts

  2. 20:20 UTC

    Public PoC available

    Public proof-of-concept code published

  3. 20:06 UTC

    CVE published

    Vulnerability disclosed publicly

  4. 09:27 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-81648

Sample API response 
{
  "cve_id": "CVE-2026-81648",
  "confidence": "High",
  "cvss_score": 10.0,
  "cvss_estimated": false,
  "epss_score": 0.00502,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}