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Medium0xCERT-2026-0250·

CVE-2026-92427: The Coinsnap Bitcoin Crowdfunding WordPress plugin through 1

The Coinsnap Bitcoin Crowdfunding WordPress plugin through 1.2.0 does not restrict access to the secret used to authenticate its payment gateway webhook, disclosing it to unauthenticated users and rendering the webhook's signature check ineffective. This allows unauthenticated attackers to forge payment-confirmation notifications and record arbitrary donations as completed, with attacker-chosen amounts, donor names and messages.

Vuln-watch · relayed from the NVD / CVE program; see Source & attribution below

Affected chainsBitcoin

Summary

The Coinsnap Bitcoin Crowdfunding WordPress plugin through 1.2.0 does not restrict access to the secret used to authenticate its payment gateway webhook, disclosing it to unauthenticated users and rendering the webhook's signature check ineffective. This allows unauthenticated attackers to forge payment-confirmation notifications and record arbitrary donations as completed, with attacker-chosen amounts, donor names and messages.

Severity

Not yet scored by NVD; rated Medium by 0xCERT pending analysis.

Recommended actions

  • Check whether you run or depend on the affected component and version
  • Apply the vendor's fix or mitigation from the references below

Source & attribution

This 0xCERT advisory summarises CVE-2026-92427 from the U.S. National Vulnerability Database: https://nvd.nist.gov/vuln/detail/CVE-2026-92427. Details may change; refer to the original source for the authoritative record.

OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.

Published 2026-10-16 · last updated 2026-10-16

curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0250/signed.txt | gpg --verify