CVE-2021-42258CISA KEVEPSS p99.4%

CVE-2021-42258BQE BillQuick Web Suite SQL Injection Vulnerability

BQE / BillQuick Web Suite

Description

BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.

Scoring

EPSS73.27% probability of exploitation · percentile 99.4% · 2026-06-17T12:03:21Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryBQE BillQuick Web Suite SQL Injection Vulnerabilitykev-cve-2021-422580%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.