CVE-2021-26829CISA KEVEPSS p98.7%

CVE-2021-26829OpenPLC ScadaBR Cross-site Scripting Vulnerability

OpenPLC / ScadaBR

Description

OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm.

Scoring

EPSS48.05% probability of exploitation · percentile 98.7% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2025-11-28

(incoming)1

TypeTargetConfidenceTier
KEVEntryOpenPLC ScadaBR Cross-site Scripting Vulnerabilitykev-cve-2021-268290%live

Related by meaning· 6

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

CVE
OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
CVE
CVE-2026-8604
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CVE-2025-13970
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CVE-2026-8605
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CVE-2026-8602
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CVE-2026-8603
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.