CVE Catalog

CVE-2025-34237

MediumCVSS 5.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.22%

11th percentile - higher than 11% of all known CVEs

Summary

Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via StandaloneVpnClientsController.addStandaloneVpnClientAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Risk Assessment

An attacker can inject a malicious script that executes in the victim's browser, potentially leading to data theft, session hijacking, or other attacks.

Recommendation

Update Advantech WebAccess/VPN to version 1.1.5 or later, which includes security fixes. Additionally, apply the principle of least privilege and validate input data.

Other vulnerabilities in Advantech WebAccess/VPN

See all
Original NVD description (English source)

Advantech WebAccess/VPN versions prior to 1.1.5 contain a stored cross-site scripting (XSS) vulnerability via StandaloneVpnClientsController.addStandaloneVpnClientAction(). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS