CVE-2023-3687: Bylancer QuickVCard GET Parameter blog sql injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-16 · updated 2026-06-17
Weakness: CWE-89

Description

A vulnerability was found in Bylancer QuickVCard 2.1. It has been rated as critical. This issue affects some unknown processing of the file /blog of the component GET Parameter Handler. The manipulation of the argument s leads to sql injection. The attack may be initiated remotely. The identifier VDB-234233 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Bylancer QuickVCard: 2.1

References

https://vuldb.com/?ctiid.234233
https://vuldb.com/?id.234233
https://vuldb.com/?ctiid.234233
https://vuldb.com/?id.234233

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