CVE-2021-26829

OpenPLC ScadaBR Cross-site Scripting Vulnerability

OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm. Vendor/Product: OpenPLC ScadaBR. Added to CISA KEV 2025-11-28; required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Category: Vulnerability, Known Exploited

Reference: NVD CVE-2021-26829