{"id":"CVE-2023-53980","state":"PUBLISHED","title":"ProjectSend r1605 Remote Code Execution via File Extension Manipulation","description":"ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server.","publishedAt":"2025-12-22T21:35:36.344Z","updatedAt":"2026-03-05T12:03:24.363Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["ProjectSend projectSend"],"affected":[{"vendor":"ProjectSend","product":"projectSend","versions":[{"version":"r1605","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/51238","https://www.projectsend.org/","https://www.vulncheck.com/advisories/projectsend-remote-code-execution-via-file-extension-manipulation"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53980.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53980","state":"PUBLISHED","datePublished":"2025-12-22T21:35:36.344Z","dateUpdated":"2026-03-05T12:03:24.363Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-12-20T16:31:20.899Z"},"containers":{"cna":{"title":"ProjectSend r1605 Remote Code Execution via File Extension Manipulation","descriptions":[{"lang":"en","value":"ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server."}],"affected":[{"vendor":"ProjectSend","product":"projectSend","versions":[{"version":"r1605","status":"affected"}]}],"references":[{"url":"https://www.exploit-db.com/exploits/51238","name":"ExploitDB-51238","tags":["exploit"]},{"url":"https://www.projectsend.org/","name":"Official Product Homepage","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/projectsend-remote-code-execution-via-file-extension-manipulation","name":"VulnCheck Advisory: ProjectSend r1605 Remote Code Execution via File Extension Manipulation","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-03-05T12:03:24.363Z"},"datePublic":"2023-01-26T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:projectsend:projectsend:r1720:*:*:*:*:*:*:*"}]}]}],"credits":[{"lang":"en","value":"Mirabbas Ağalarov","type":"finder"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.exploit-db.com/exploits/51238","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-22T21:57:21.140894Z","id":"CVE-2023-53980","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-22T22:04:02.619Z"}}]}}}