48 matches found
CVE-2026-73314
CVE-2026-73314: Unsupported PayPal signature algorithm accepted XenForo before 2.3.13 fails open when a PayPal REST webhook names an unsupported signature algorithm. What happens The webhook handler maps PAYPAL-AUTH-ALGO through a small allowlist. If the value is unknown, the mapped algorithm...
CVE-2026-73316
CVE-2026-73316: PayPal webhook replay XenForo before 2.3.13 processes the same valid PayPal REST webhook more than once. What happens The PayPal REST provider overrides XenForo's base transaction validator but omits its duplicate transaction-log lookup. The database index is also non-unique. Two...
CVE-2026-73315
CVE-2026-73315: SSRF through PayPal certificate URL XenForo before 2.3.13 fetches the certificate URL supplied by a PayPal REST webhook without restricting its destination. What happens The callback handler passes PAYPAL-CERT-URL to XenForo's trusted HTTP reader. It does not require a PayPal...
CVE-2026-93511
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id the...
EUVD-2026-85063
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id the...
CVE-2026-93511 Premium Packages < 7.2.1 - Unauthenticated PayPal Webhook Signature Verification Bypass
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id the...
CVE-2026-93511
The Premium Packages WordPress plugin (versions 7.0.0-7.2.0 ) is vulnerable to an unauthenticated PayPal webhook signature verification bypass . Because the plugin fails to verify PayPal's webhook signature before processing notifications, an attacker can forge payment confirmations and subscript...
WordPress WPForms Lite plugin < 1.10.0.5 - Unauthenticated PayPal Webhook Forgery vulnerability
Unauthenticated PayPal Webhook Forgery vulnerability discovered by Sudhanshu Chauhan RedHunt Labs in WordPress Plugin Contact Form by WPForms versions 1.10.0.5...
Exploit for CVE-2026-73315
CVE-2026-73315 XenForo before 2.3.13 fetches the certificate...
Exploit for CVE-2026-73314
CVE-2026-73314 XenForo before 2.3.13 fails open when a PayPal...
CVE-2026-73315
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-2026-73314
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...
EUVD-2026-72786
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-2026-73315 XenForo < 2.3.13 SSRF via PayPal REST Webhook Handler
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-2026-73315
XenForo before 2.3.13 contains a Server-Side Request Forgery (SSRF) vulnerability in the PayPal REST webhook handler . Unauthenticated attackers can submit a crafted POST to the PayPal webhook callback endpoint with a certificate URL lacking scheme, hostname, or allowlist validation, causing the ...
CVE-2026-73315 XenForo < 2.3.13 SSRF via PayPal REST Webhook Handler
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...
EUVD-2026-72785
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-2026-73314 XenForo < 2.3.13 Signature Verification Bypass via PayPal REST Webhook
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-2026-73314 XenForo < 2.3.13 Signature Verification Bypass via PayPal REST Webhook
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-2026-73314
XenForo before 2.3.13 contains a signature verification logic error in the PayPal REST webhook handler . When an unauthenticated attacker submits a webhook request with an unsupported auth_algo header value, the verification function incorrectly returns true instead of failing, causing the system...