# CVE-2026-47096 — AJA Video Systems HELO Plus

> As of 2026-10-01, CVE-2026-47096 is a MEDIUM-severity vulnerability in AJA Video Systems HELO Plus, CVSS v3.1 6.1, EPSS 0.4% (34.0th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-47096 as of 2026-10-01; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-01

## What is CVE-2026-47096?

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.

The record classifies CVE-2026-47096 under weakness class [CWE-79](https://intel.threadlinqs.com/cwe/CWE-79). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 5 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.1 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **CVSS v4.0 base score:** 5.3 (`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`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 34.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-30, last modified 2026-10-01

## Is CVE-2026-47096 being exploited?

It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **AJA Video Systems**: HELO Plus

## How to fix CVE-2026-47096

No vendor patch reference has been recorded for CVE-2026-47096 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-47096

No threat campaign in the Threadlinqs corpus currently references CVE-2026-47096, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-01.

**Vendor advisory and patch**

- [aja.com — vendor advisory](https://www.aja.com/security-advisories/aja-sa-2026-003)
- [d26ddnfpy9hzf8.cloudfront.net — release notes](https://d26ddnfpy9hzf8.cloudfront.net/aja-web/public/pdf/2026/AJA_HELO_PLUS_ReleaseNotes_v2.1.7.pdf)
- [aja.com — patch](https://www.aja.com/support/item/10457)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/aja-helo-plus-stored-xss-via-system-name-parameter)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-47096
Full detection coverage and IOCs for threats exploiting CVE-2026-47096 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp