CVE-2021-26829
OpenPLC ScadaBR
OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
- CVSS
- 5.4
- EPSS
- 48.0% 98.7% percentile
- CISA KEV
- Listed
- Published
- 2021.06.11
OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.
OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
Confirm exposure before applying a vendor-supported change.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due date: 2025.12.19Confirm that OpenPLC ScadaBR and an affected version are present.
Combine exploitation signals with asset exposure and business criticality.
Follow the vendor advisory or supported update path and preserve rollback options.
Recheck the version, service health, access paths, and relevant logs.