Vulnerability in Webcompanion Adaware Web Companion Version
CVE-2019-25287
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Webcompanion Adaware Web Companion Version — versions 4.8.2078.3950
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47597 (exploit)
- webcompanion.com/en/ (product)
- www.vulncheck.com/advisories/adaware-web-companion-version-wcassistantservice-u… (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25287?
- CVE-2019-25287 is a high-severity vulnerability in Webcompanion Adaware Web Companion Version, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-02-05.
- How severe is CVE-2019-25287?
- High severity. CVSS v3 base score is 7.8 out of 10.