CVE-2026-128043

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128043", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-12T20:45:47.416Z", "datePublished": "2026-11-13T09:33:56.263Z", "dateUpdated": "2026-11-13T09:33:56.263Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:33:56.263Z"}, "datePublic": "2026-10-26T00:00:00.000Z", "title": "OpenMage magento-lts before 20.19.0 CSRF via PayPal Cancel Return Handlers", "descriptions": [{"lang": "en", "value": "OpenMage magento-lts before 20.19.0 and 21.0.0-beta1 before 21.0.0-beta3 contains a cross-site request forgery vulnerability in PayPal cancel and decline return handlers that trust only the checkout session without verifying the request came from PayPal. Attackers can lure a shopper into a cross-site GET to paypal/standard/cancel to cancel their recent uninvoiced order, void pending authorizations, and restore items to the cart."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Cross-Site Request Forgery (CSRF)", "cweId": "CWE-352", "type": "CWE"}]}], "affected": [{"vendor": "OpenMage", "product": "magento-lts", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "20.19.0"}, {"version": "20.19.0", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "OpenMage", "product": "magento-lts", "defaultStatus": "unaffected", "versions": [{"version": "21.0.0-beta1", "status": "affected", "versionType": "semver", "lessThan": "21.0.0-beta3"}, {"version": "21.0.0-beta3", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/OpenMage/magento-lts/security/advisories/GHSA-2jfg-wx75-5cc8", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-2jfg-wx75-5cc8)"}, {"url": "https://github.com/OpenMage/magento-lts/commit/86c8895d586db61ac7d093ba4e473103a30882c8", "tags": ["patch"], "name": "Patch Commit"}, {"name": "VulnCheck Advisory: OpenMage magento-lts before 20.19.0 CSRF via PayPal Cancel Return Handlers", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.19.0-csrf-via-paypal-cancel-return-handlers"}], "credits": [{"lang": "en", "value": "skeletonsec", "type": "reporter"}, {"lang": "en", "value": "colinmollenhour", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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