CVE-2021-26829 - OpenPLC ScadaBR
AI Vulnerability ContextOpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
How serious this vulnerability is and whether it is known to be exploited.
CISA KEVMEDIUM
- CVE ID
- CVE-2021-26829
- Vendor/project
- OpenPLC
- Product
- ScadaBR
- Vulnerability name
- OpenPLC ScadaBR Cross-site Scripting Vulnerability
- Date added
- 2025-11-28
- Due date
- 2025-12-19
- Known ransomware campaign use
- Unknown
- CVSS v3
- 5.4
CWE-79
Exploit context
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No description available. The source record only contains identifiers and metadata.
Source evidence
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Original source
Original source links
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2021-26829CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4af854a3a-2127-422b-91ae-364da2661108https://youtu.be/Xh6LPCiLMa8134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26829134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.forescout.com/blog/anatomy-of-a-hacktivist-attack-russian-aligned-group-targets-otics/