CVE-2021-26829 · netVigilance record NV25-0225
OpenPLC ScadaBR Cross-site Scripting
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-12-19 · passed 8 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm.
Who is affected
OpenPLC ScadaBR. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-79.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 8 months ago
Sources
- NVD entry for CVE-2021-26829 nvd.nist.gov/vuln/detail/CVE-2021-26829
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/SCADA-LTS/Scada-LTS/pull/3211
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-26829