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Vulnerability record · CVE-2023-48031 · published 17 November 2023

CVE-2023-48031: Opensupports unrestricted file upload vulnerability

Opensupports · Opensupports

OpenSupports v4.11.0 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the comment function, an attacker can bypass security restrictions and upload a .bat file by manipulating the file's magic bytes to masquerade as an allowed type. This can enable the attacker to execute arbitrary code or establish a reverse shell, leading to unauthorized file writes or control over the victim's station via a crafted file upload operation.

9.8 CVSS 3.1 Critical EPSS 1.4% · top 27.9% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

OpenSupports v4.11.0 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the comment function, an attacker can bypass security restrictions and upload a .bat file by manipulating the file's magic bytes to masquerade as an allowed type. This can enable the attacker to execute arbitrary code or establish a reverse shell, leading to unauthorized file writes or control over the victim's station via a crafted file upload operation.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugplorer.github.io/cve-opensupports/ Broken Link
https://nitipoom-jar.github.io/CVE-2023-48031/ Exploit
https://nitipoom-jaroonchaipipat.github.io/security-research-portal/2023-48031
https://bugplorer.github.io/cve-opensupports/ Broken Link
https://nitipoom-jar.github.io/CVE-2023-48031/ Exploit

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-48031), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.