What is CVE-2019-18654?

CVE-2019-18654 is a medium-severity vulnerability in Avg Anti-virus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-01.

How severe is CVE-2019-18654?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2019-18654 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Avg Anti-virus

CVE-2019-18654

A Cross Site Scripting (XSS) issue exists in AVG AntiVirus (Internet Security Edition) 19.3.3084 build 19.3.4241.440 in the Network Notification Popup, allowing an attacker to execute JavaScript code via an SSID Name.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (53.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Avg Anti-virus — versions 19.3.3084
Microsoft Windows
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

alphaSeclab/sec-daily-2019

References

cve@mitre.org (x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-18654?: CVE-2019-18654 is a medium-severity vulnerability in Avg Anti-virus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-11-01.
How severe is CVE-2019-18654?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-18654 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.