MEDIUMCVSS 5.4Actively exploited · CISA KEV since 2025-11-28Vulnerability

CVE-2021-26829

OpenPLC ScadaBR contains a cross-site scripting vulnerability via system_settings.shtm.

Properties

Vulnerability name
OpenPLC ScadaBR Cross-site Scripting Vulnerability
First seen
2025-12-02T04:56:04+00:00
Cvss score
5.4
Epss score
0.4805
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-12-19
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2025-11-28T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-11-28
Euvd base score version
3.1
Score
5.4
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Vendor project
OpenPLC

Related Entities (6)

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CVE-2021-26829 (CVSS 5.4) — Ninja Signal Threat Intelligence | Ninja Signal