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CVE-2021-26829· openplc / scadabr· CWE-79

OpenPLC ScadaBR Cross-site Scripting Vulnerability

Exploited in the wild. Listed by CISA on 2025-11-28; known to be used by ransomware.

48.1%likelihood of exploitation, next 30 days
99%of all CVEs are less likely
Nonecheck to confirm it

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

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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