What’s Vulnerable › Vulnerabilities

CVE-2023-53930: ProjectSend r1605 Insecure Direct Object Reference File Download Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-17 · updated 2026-06-17
• Weakness: CWE-639

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.

Affected products

• ProjectSend: r1605

References

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

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