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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 4
https://d26ddnfpy9hzf8.cloudfront.net/aja-web/public/pdf/2026/AJA_HELO_PLUS_Rel…
disclosure@vulncheck.com
https://www.aja.com/security-advisories/aja-sa-2026-003
disclosure@vulncheck.com
https://www.aja.com/support/item/10457
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/aja-helo-plus-stored-xss-via-system-name-p…
disclosure@vulncheck.com