CVE-2021-33591: Naver Comic Viewer

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An exposed remote debugging port in Naver Comic Viewer prior to 1.0.15.0 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Affected products

• Naver Comic Viewer: before 1.0.15.0 (fixed in 1.0.15.0)

Published 2021-05-28. Last modified 2026-06-17.