# CVE-2026-19657: ScadaLTS 2.7.8.1 reflects user-supplied input into an HTML response without sanitization. An unauthenticated attacker…

Source: https://junglewise.ai/threats/cve-2026-19657-scadalts-2-7-8-1-reflects-user-supplied-input-into-an-html  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-12  
License: CC BY 4.0 with a link back

CVE-2026-19657 · Severity: medium · CVSS 6.1 · Published 2026-08-12

ScadaLTS 2.7.8.1 reflects user-supplied input into an HTML response without sanitization. An unauthenticated attacker who lures a victim into visiting a crafted URL can execute arbitrary JavaScript in the context of the victim's browser session.

Technologies: [Scada-Lts](https://junglewise.ai/threats/technologies/scada-lts). Vendors: [Scada-Lts](https://junglewise.ai/threats/vendors/scada-lts).

## Quick answers

**Is CVE-2026-19657 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-19657 being exploited in the wild.

**How severe is CVE-2026-19657?** Medium severity, with a CVSS score of 6.1, published 12 August 2026.

**Which products and versions are affected?** Scada-Lts. The advisory does not name versions.

**Is there a fix for CVE-2026-19657?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-19657?** Check whether you run Scada-Lts. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Scada-Lts

## Related threats

- [Scada-LTS authorization bypass in AmCharts Data API](https://junglewise.ai/threats/cve-2026-115803-a-flaw-has-been-found-in-scada-lts-2-8-0-affected-by-this)
- [ScadaLTS 2.7.8.1 exposes a server-side method that lacks authorization checks, allowing any authenticated user…](https://junglewise.ai/threats/cve-2026-19656-scadalts-2-7-8-1-exposes-a-server-side-method-that-lacks)
- [Scada-LTS path traversal in project import](https://junglewise.ai/threats/cve-2025-13791-scada-lts-path-traversal-in-project-import)
- [Scada-LTS cross-site request forgery in REST API](https://junglewise.ai/threats/cve-2025-13790-scada-lts-cross-site-request-forgery-in-rest-api)