{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73481","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-12T18:19:17.024Z","datePublished":"2026-08-13T18:48:42.589Z","dateUpdated":"2026-08-14T19:15:25.045Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-08-14T12:46:51.345Z"},"title":"phpList < 3.7.0-RC5 Cross-Site Request Forgery via Bounce Rules","descriptions":[{"lang":"en","value":"phpList before 3.7.0-RC5 fail to enforce CSRF token validation on the bounce rule deletion endpoint (bouncerules.php / bouncerule.php). The deletion is performed via a GET request (?page=bouncerules&del=N), and the central CSRF check (verifyCsrfGetToken) is invoked with enforce=false, so it only validates the token when a 'tk' parameter is present. A remote attacker can trick an authenticated administrator into loading a crafted URL (e.g., embedded in an image tag) to delete arbitrary bounce rules from the phplist_bounceregex table without a valid CSRF token."}],"tags":["x_open-source"],"datePublic":"2026-07-06T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-352","description":"Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"affected":[{"vendor":"phplist","product":"phplist3","defaultStatus":"affected","packageURL":"pkg:github/phpList/phplist3","versions":[{"status":"affected","version":"0","versionType":"custom","lessThan":"3.7.0-RC5"}],"repo":"https://github.com/phpList/phplist3"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"LOW","version":"3.1","baseSeverity":"MEDIUM","baseScore":5.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L"}}],"references":[{"url":"https://github.com/phpList/phplist3/issues/1116","tags":["technical-description","exploit","issue-tracking"],"name":"Researcher Disclosure"},{"url":"https://github.com/phpList/phplist3/releases/tag/v3.7.0-RC5","name":"phpList 3.7.0-RC5 Release Notes","tags":["release-notes"]},{"url":"https://github.com/phpList/phplist3/pull/1121","name":"Pull Request","tags":["issue-tracking","patch"]},{"url":"https://github.com/phpList/phplist3/commit/5159c3ed33a5674a8169472b50d146d97f630746","name":"Patch Commit","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/phplist-rc5-cross-site-request-forgery-via-bounce-rules","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T19:15:16.077107Z","id":"CVE-2026-73481","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-14T19:15:25.045Z"}}]}}