PT-2026-87061 · Xenforo · Xenforo

Marco Paciaroni

+1

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CVE-2026-73316

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Publicado

2026-09-08

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Atualizado

2026-09-08

CVSS v3.1

7.5

Alta

VetorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
XenForo before 2.3.13 contains a payment replay vulnerability in the PayPal REST payment provider that allows attackers to process the same webhook payload multiple times by exploiting a missing duplicate transaction ID check. Attackers can replay a valid webhook payload to trigger duplicate payment events, resulting in repeated subscription activations and unauthorized account upgrades.

Exploit

Correção

Insufficient Verification of Data Authenticity

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Enumeração de Fraquezas

CWE-345

Identificadores relacionados

CVE-2026-73316

Produtos afetados

Xenforo