CVE-2023-48031

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-17 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

OpenSupports: 4.11.0

References

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

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