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Cisco Adaptive Security Appliance ASA Cross-Site Scripting XSS Vulnerability

Cisco Adaptive Security Appliance ASA contains a cross-site scripting XSS vulnerability in the WebVPN login page. This vulnerability allows remote attacker

Security · HIGH
Source: CISA Known Exploited VulnerabilitiesMay 2, 2026, 4:51 PMSecurityhigh

Full content

Cisco Adaptive Security Appliance (ASA) contains a cross-site scripting (XSS) vulnerability in the WebVPN login page. This vulnerability allows remote attackers to inject arbitrary web script or HTML via an unspecified parameter.

Vendor: Cisco

Product: Adaptive Security Appliance (ASA)

Due date: 2024-12-03

Known ransomware use: Unknown

Why it matters

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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