CVE-2021-26829 is a stored Cross-Site Scripting (XSS) vulnerability affecting OpenPLC ScadaBR versions through 0.9.1 on Linux and 1.12.4 on Windows, specifically via the system_settings.shtm page. This medium-severity vulnerability (CVSS 5.4) can be exploited with low privileges and user interaction, potentially leading to limited impact on confidentiality and integrity. Notably, CISA has added this CVE to its Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild, despite no public exploit code being available on platforms like Metasploit or ExploitDB. The vulnerability has garnered significant community discussion and media coverage, including reports of hacktivist targeting.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.9.1CPE matchmatch criteria | cpe:2.3:a:scadabr:scadabr:*:*:*:*:*:*:*:* | ||
<= 1.12.4CPE matchmatch criteria | cpe:2.3:a:scadabr:scadabr:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.