HOMEVULNERABILITIESCVE-2023-53930
HIGH

CVE-2023-53930

CWE-639Published: December 17, 2025· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-53930 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

projectsend1 product(s)
projectsend
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (4)

→
https://www.exploit-db.com/exploits/51400Exploit · Third Party Advisory
→
https://www.projectsend.org/Product
→
https://www.vulncheck.com/advisories/projectsend-insecure-direct-object-reference-file-download-vulnerabilityExploit · Third Party Advisory
→
https://www.exploit-db.com/exploits/51400Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2023-53930
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-639
CISA KEVNo
Affected1 vendor(s)
PublishedDec 17, 2025

Related CVEs (CWE-639)

CVE-2024-45032
10.0
CVE-2025-40805
10.0
CVE-2026-52782
9.9
CVE-2026-54052
9.9
CVE-2026-29200
9.9
CVE-2025-0987
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-53930 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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