CVE-2019-12490 json
An issue was discovered in Simple Machines Forum (SMF) before 2.0.16.
published 2020-01-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4086
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- simplemachines simple_machines_forum 2.0.16
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- youtube.com https://www.youtube.com/watch?v=gCVeFoxZ1DI referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
References
-
youtube.com
/watch?v=gCVeFoxZ1DI
exploit, third-party-advisory
-
simplemachines.org
/community/index.php?topic=570986.0
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2019-12490
- NVD CVE-2019-12490
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.