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CVE-2026-89411mediumCWE-345

Paymattic < 4.6.26 - Unauthenticated Payment Bypass via Unbound Stripe PaymentIntent

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.1%
exploitation probability
0.1%top 99% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
The Paymattic WordPress plugin from 4.6.20 before 4.6.26 does not verify that a confirmed Stripe payment belongs to the order it is applied to, allowing unauthenticated users to mark an arbitrary pending order as paid by confirming a smaller payment of their own against it.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · Paymattic
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.