Unrated severityOSV Advisory· Published Dec 17, 2025· Updated Apr 7, 2026
ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability
CVE-2023-53930
Description
ProjectSend r1605 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to download private files by manipulating the download ID parameter. Attackers can access any user's private files by changing the 'id' parameter in the download request to process.php.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Stable, r1053, r1070, …+ 1 more
- (no CPE)range: Stable, r1053, r1070, …
- (no CPE)range: = r1605
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/51400mitreexploit
- www.vulncheck.com/advisories/projectsend-insecure-direct-object-reference-file-download-vulnerabilitymitrethird-party-advisory
- www.projectsend.orgmitreproduct
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