CVE-2019-12490

medium

Description

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.

References

https://www.youtube.com/watch?v=gCVeFoxZ1DI

https://www.simplemachines.org/community/index.php?topic=570986.0

Details

Source: Mitre, NVD

Published: 2020-01-22

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00473