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Vulnerability record · CVE-2026-47096 · published 30 September 2026

CVE-2026-47096: Cross-site scripting vulnerability

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.

5.3 CVSS 4.0 Medium CWE-79 · Cross-site scripting Received
5.3CVSS 4.0 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
30 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://d26ddnfpy9hzf8.cloudfront.net/aja-web/public/pdf/2026/AJA_HELO_PLUS_ReleaseNotes_v2.1.7.pdf
https://www.aja.com/security-advisories/aja-sa-2026-003
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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Source: NIST National Vulnerability Database (record CVE-2026-47096), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.