MSRXVulnerabilities / CVE-2021-26829
CVE-2021-26829
Published 2021-06-11 · published (not yet in NVD)
CVE-2021-26829
Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2025-11-28, with a fix-by date of 2025-12-19. Patch it first.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
5.4 MEDIUM
CVSS 3.1 · CNA
CVSS 3.1 · CNA
48%
chance of exploitation in the next 30 days (EPSS; higher than 98% of CVEs)
chance of exploitation in the next 30 days (EPSS; higher than 98% of CVEs)
OpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows stored XSS via system_settings.shtm.
Scores
Affected products
- n/a n/a: n/a
2 references (advisories, patches, write-ups)
- https://youtu.be/Xh6LPCiLMa8 · x_refsource_MISC
- http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4 · x_refsource_MISC
Sources: CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.