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CVE-2026-83537mediumCWE-345

WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment

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 98% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.