Exploit for CVE-2026-73316

CVE-2026-73316 XenForo before 2.3.13 processes the same valid...

CVE-2026-73316 XenForo < 2.3.13 Payment Replay via PayPal REST Payment Provider

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...

CVE-2026-73316

XenForo before 2.3.13 is affected by a payment replay vulnerability in the PayPal REST payment provider . The root cause is a missing duplicate transaction ID check , which allows an attacker to replay a valid webhook payload multiple times. This triggers duplicate payment events , resulting in r...

CVE-2026-73316 XenForo < 2.3.13 Payment Replay via PayPal REST Payment Provider

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...

EUVD-2026-72753

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...

PT-2026-87061

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...

CVE-2026-73314: Improper Check for Unusual or Exceptional Conditions

XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler that allows unauthenticated attackers to bypass payment signature validation by submitting a webhook request with an unsupported authalgo header value. When the algorithm cannot be mapped to a...

CVE-2026-73315: Server-Side Request Forgery (SSRF)

XenForo before 2.3.13 contains a server-side request forgery vulnerability in the PayPal REST webhook handler that allows unauthenticated attackers to cause the server to make outbound HTTP requests to arbitrary destinations by supplying a crafted certificate URL in webhook headers without scheme...

CVE-2026-73316: Insufficient Verification of Data Authenticity

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...

MAL-2022-5243 Malicious code in paypal-rest-sample (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 4f5c6beb6bf6ebdd58d3baff1e4017eacb25c5cda9a802eb8dbb5e2d2abbd8b9 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in paypal-rest-sample (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 4f5c6beb6bf6ebdd58d3baff1e4017eacb25c5cda9a802eb8dbb5e2d2abbd8b9 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...