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Advisory record · GHSA-qf6q-qfwp-vp44

Origin Validation Error in Magento 2

CVSS 8.1 HighEPSS 0.042 · 91st percentile

Published by the GitHub Advisory Database at 12 Oct 2021, 16:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
cardgate/magento2Packagist<2.0.332.0.33
Identifiers
GHSA-qf6q-qfwp-vp44 · CVE-2020-8818 · PKSA-63yn-hphh-7tpx
Weakness (CWE)
CWE-346
Tags
Published
12 Oct 2021
Updated
8 Nov 2023

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The CardGate Payments plugin for Magento 2 (cardgate/magento2) through version 2.0.30 does not verify the origin of payment callback requests. A remote attacker can send a forged callback to replace critical settings such as the merchant ID and secret key, bypass payment, and receive later payments. Upgrade to version 2.0.33.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.1 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.042, the 91st percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:33 UTC First seen by agentprime
  2. 31 Oct 2026, 14:33 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.