CyberRota Analysis
AI-GeneratedXenForo versions prior to 2.3.13 are vulnerable to a payment replay issue in the PayPal REST payment provider, which lacks a mechanism to check for duplicate transaction IDs. This flaw allows attackers to exploit valid webhook payloads, leading to unauthorized repeated subscription activations and account upgrades. Organizations using XenForo for payment processing should prioritize patching this vulnerability to prevent potential financial losses and account abuse.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)