Cyber Resilience

CVE-2026-9144

HighPublic PoC

Published: 20 May 2026

Published
20 May 2026
Modified
21 May 2026
KEV Added
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Patch
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CVSS Score v4 8.4 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/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:X/V:X/RE:X/U:X
EPSS Score 0.0044 35.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-9144 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 8.4 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Browser Session Hijacking (T1185); ranked at the 35.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Taiko AG1000-01A SMS Alert Gateway Rev 7.3 and Rev 8 contains a stored cross-site scripting vulnerability in the embedded web configuration interface that allows authenticated attackers to execute persistent JavaScript by fragmenting malicious payloads across multiple administrative form fields. Attackers…

more

can bypass front-end length restrictions using JavaScript comments and template literals to concatenate executable script fragments that are rendered in administrative dashboard views such as index.zhtml, resulting in persistent script execution within administrative sessions.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1185 Browser Session Hijacking Collection
Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.
attack.mitre.org →
Why these techniques?

Stored XSS enables persistent JavaScript execution in admin browser sessions, directly mapping to browser session hijacking.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-9024Shared CWE-79
CVE-2025-24412Shared CWE-79
CVE-2025-69392Shared CWE-79
CVE-2025-69098Shared CWE-79
CVE-2026-44729Shared CWE-79
CVE-2026-7481Shared CWE-79
CVE-2025-67959Shared CWE-79
CVE-2025-67823Shared CWE-79
CVE-2026-30934Shared CWE-79
CVE-2025-0370Shared CWE-79

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References