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CVE-2026-84906

Eventin < 4.1.24 - Unauthenticated Payment Bypass via Stripe and PayPal Cross-Order Transaction Replay

CVSS 3.1 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-84906

Published

The Eventin WordPress plugin before 4.1.24 does not verify that a completed payment corresponds to the order it is applied to, confirming only that the payment gateway reports the transaction as successful, not its amount, currency, or which order it belongs to, allowing unauthenticated visitors to mark unpaid orders of any value as paid by replaying the transaction of a single genuine low-value payment.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-84906

Published

Eventin

https://wordpress.org/plugins

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Unknown",
                    "product": "Eventin",
                    "versions": [
                        {
                            "status": "affected",
                            "versionType": "semver",
                            "version": "0",
                            "lessThan": "4.1.24"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "collectionURL": "https://wordpress.org/plugins"
                }

Original source record · Cite this exact observation · Complete original publisher JSON