{"id":"CVE-2026-16734","aliases":["EUVD-2026-53725","GHSA-8673-2q96-2vmf"],"status":"published","title":"Stripe Payment Forms by WP Full Pay \u003c 8.5.2 - Unauthenticated Payment Intent Amount Manipulation","description":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00346,"percentile":0.2859,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-08-06T06:00:10Z","modified":"2026-08-26T16:31:16Z","products":[{"vendor":"unknown","product":"stripe payment forms by wp full pay"}],"references":[{"url":"https://wpscan.com/vulnerability/5fcb5b11-3ebd-4821-aa6f-c6be70bac395/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16734"},{"url":"https://wpscan.com/vulnerability/5fcb5b11-3ebd-4821-aa6f-c6be70bac395"},{"url":"https://github.com/advisories/GHSA-8673-2q96-2vmf"}],"sources":{"cve":[{"id":"CVE-2026-16734","title":"Stripe Payment Forms by WP Full Pay \u003c 8.5.2 - Unauthenticated Payment Intent Amount Manipulation","description":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.","status":"published","published":"2026-08-06T06:00:10.619Z","modified":"2026-08-06T14:33:15.811Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-53725","description":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.","status":"published","published":"2026-08-06T06:00:10Z","modified":"2026-08-06T14:33:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:08.553271Z"}],"ghsa":[{"id":"GHSA-8673-2q96-2vmf","title":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the...","description":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.","status":"published","published":"2026-08-06T09:30:29Z","modified":"2026-08-06T15:33:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:10:09.761462Z"}],"nvd":[{"id":"CVE-2026-16734","description":"The Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 does not verify that the caller owns the Stripe payment intent referenced by two unauthenticated payment-form AJAX actions, allowing an unauthenticated visitor — using a nonce that is embedded in every public page containing a payment form — to change the amount of a payment intent that the Stripe Payment Forms by WP Full Pay  WordPress plugin before 8.5.2 then updates server-side through the Stripe API with the store's secret key. An ownership check added in 8.5.0 was applied to only one payment-intent handler, leaving the pricing-recalculation and payment-intent-update actions unprotected against amount manipulation.","status":"published","published":"2026-08-06T07:16:28.647Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}