CVE-2021-26829

OpenPLC ScadaBR Cross-site Scripting Vulnerability — OpenPLC / ScadaBR

Risk tier: Monitored

Description

OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.

Scoring

  • CVSS: 5.4 (MEDIUM, 3.1)
  • EPSS exploitation probability: Not yet available
  • EPSS percentile: Not yet available

CISA KEV status

  • Added to KEV: 2025-11-28
  • Remediation due date: 2025-12-19
  • Known ransomware campaign use: Unknown

Weakness types (CWE)

  • CWE-79
  • CWE-79

References

More MEDIUM-severity vulnerabilities · All exploited vulnerabilities