EUVD-2026-12870Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
A Cross-Site Scripting (XSS) vulnerability exists in the web-based configuration interface of Zucchetti Axess access control devices, including XA4, X3/X3BIO, X4, X7, and XIO / i-door / i-door+. The vulnerability is caused by improper sanitization of user-supplied input in the dirBrowse parameter of the /file_manager.cgi endpoint.
AnalysisAI
A Cross-Site Scripting (XSS) vulnerability exists in the web-based configuration interface of Zucchetti Axess physical access control devices across multiple product lines (XA4, X3/X3BIO, X4, X7, and XIO/i-door/i-door+). The vulnerability stems from improper sanitization of the dirBrowse parameter in the /file_manager.cgi endpoint, allowing attackers to inject malicious scripts that execute in the context of authenticated administrators. A public proof-of-concept has been disclosed on GitHub (https://github.com/iremnurylmz/CVE-2026-30695), and given the lack of CVSS/EPSS scoring data and KEV status confirmation, the true exploitation likelihood remains uncertain but the presence of a POC elevates practical risk.
Technical ContextAI
The vulnerability resides in the web-based management interface of Zucchetti Axess access control systems, which are embedded web applications running on dedicated hardware devices used for physical security. The root cause is a CWE-79 (Improper Neutralization of Input During Web Page Generation, also known as Cross-Site Scripting) flaw in the /file_manager.cgi endpoint, specifically in how the dirBrowse parameter is processed without adequate input validation or output encoding. Attackers can exploit this by crafting malicious URLs or form submissions containing JavaScript payloads that, when processed by the application, are reflected back to the user's browser without sanitization. This class of vulnerability is particularly dangerous in access control systems because administrative interfaces typically have elevated privileges, making XSS payloads capable of modifying user credentials, extracting audit logs, or reconfiguring access policies.
RemediationAI
Immediately contact Zucchetti for patch availability and upgrade guidance; check http://zucchetti.com and http://firmware.com for firmware updates applicable to your specific device model and version. Until patches are applied, implement compensating controls: restrict web-based management interface access to trusted administrator IP ranges using network-level access controls; require HTTPS with HSTS headers to prevent protocol downgrade; disable or limit the /file_manager.cgi endpoint if not actively used; enable administrative account lockout policies; and conduct security awareness training to reduce the likelihood that administrators will click on malicious links. Monitor access logs for suspicious dirBrowse parameter values containing script tags or encoded JavaScript.
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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