All CVE records
CVE-2021-26829 — OpenPLC ScadaBR Cross-site Scripting Vulnerability
CISA KEV listed
Added November 28, 2025 Remediate by December 19, 2025
Description
OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm.
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.
Notes
This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/SCADA-LTS/Scada-LTS/pull/3211 ; https://nvd.nist.gov/vuln/detail/CVE-2021-26829
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