CVE-2019-12490

6.5 mediumEPSS 1.3%

Medium (6.5) in simplemachines simple machines forum. EPSS 1.3% chance of exploitation in the next 30 days.

An issue was discovered in Simple Machines Forum (SMF) before 2.0.16. Reverse tabnabbing can occur because of use of _blank for external links.

Severity

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)
Published: 2020-01-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19