CVE-2021-26829
OpenPLC ScadaBR Cross-site Scripting Vulnerability
5.4
CVSS
48.1%
EPSS (exploit prob.)
98.7%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2025-11-28
Added
Summary
OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm.
Affected software
Vendor: OpenPLC · Product: ScadaBR
Weakness types (CWE):
CWE-79
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in OpenPLC
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2021-26828 | OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability | 39.4% | Yes |
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