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CVE-2023-53933
HIGH8.8
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.
CVE Details
CVSS v3.1 Score8.8
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
Published12/17/2025
Last Modified12/24/2025
Sourcenvd
Honeypot Sightings0
Affected Products
s9y:serendipity
Weaknesses (CWE)
CWE-434
References
https://docs.s9y.org/(disclosure@vulncheck.com)
https://www.exploit-db.com/exploits/51372(disclosure@vulncheck.com)
https://www.vulncheck.com/advisories/serendipity-authenticated-remote-code-execution-via-file-upload(disclosure@vulncheck.com)
https://www.exploit-db.com/exploits/51372(134c704f-9b21-4f2e-91b3-4a467353bcc0)
IOC Correlations
No correlations recorded
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