What’s Vulnerable › Vulnerabilities

CVE-2019-25287: Adaware Web Companion version 4.8.2078.3950 - 'WCAssistantService' Unquoted Service Path

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-05 · updated 2026-06-17
• Weakness: CWE-428

Description

Adaware Web Companion version 4.8.2078.3950 contains an unquoted service path vulnerability in the WCAssistantService that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Lavasoft\Web Companion\Application\ to inject malicious code that would execute with LocalSystem privileges during service startup.

Affected products

• Webcompanion Adaware Web Companion version: 4.8.2078.3950

References

• https://webcompanion.com/en/
• https://www.exploit-db.com/exploits/47597
• https://www.vulncheck.com/advisories/adaware-web-companion-version-wcassistantservice-unquoted-service-path

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