CVE-2023-4991: NextBX QWAlerter QWAlerter.exe unquoted search path

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-15 · updated 2026-06-17
Weakness: CWE-428

Description

A vulnerability was found in NextBX QWAlerter 4.50. It has been rated as critical. Affected by this issue is some unknown functionality of the file QWAlerter.exe. The manipulation leads to unquoted search path. It is possible to launch the attack on the local host. The identifier of this vulnerability is VDB-239804. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

NextBX QWAlerter: 4.50

References

https://vuldb.com/?ctiid.239804
https://vuldb.com/?id.239804
https://vuldb.com/?ctiid.239804
https://vuldb.com/?id.239804

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