Browse / CVEs / CVE-2021-26829
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
Use this check only on systems you are authorised to test. Where the data comes from