CVEvulnerability
CVE-2023-53933
8.7 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-12-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-434
Description
Serendipity 2.4.0 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension. Attackers can upload files with system command payloads to the media upload endpoint and execute arbitrary commands on the server.
Affected configurations
• s9y serendipity 2.4.0
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- https://docs.s9y.org/ Product
- https://www.exploit-db.com/exploits/51372 Exploit, Third Party Advisory, VDB Entry
- https://www.vulncheck.com/advisories/serendipity-authenticated-remote-code-execution-via-file-upload Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/51372 Exploit, Third Party Advisory, VDB Entry