CVE-2023-53930

HIGH 7.5

ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	projectsend
Product	projectsend
Published	Dec 17, 2025
Last Updated	Apr 7, 2026

Stay Ahead of the Next One

Get instant alerts for projectsend projectsend

Be the first to know when new high vulnerabilities affecting projectsend projectsend are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

projectSend / projectSend

r1605

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51400 projectsend.org: https://www.projectsend.org/ vulncheck.com: https://www.vulncheck.com/advisories/projectsend-insecure-direct-object-reference-file-download-vulnerability

Credits

Mirabbas Ağalarov