Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.1 | Medium | 3.0 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.040, the 90th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-ph58-4vrj-w6hr
- OSV: GHSA-ph58-4vrj-w6hr
- nvd.nist.gov/vuln/detail/CVE-2018-20677
- github.com/twbs/bootstrap/issues/27915#issuecomment-452196628
- github.com/twbs/bootstrap/issues/27915#issuecomment-452140906
- github.com/twbs/bootstrap/issues/27045
- github.com/twbs/bootstrap/pull/27047
- github.com/twbs/bootstrap/commit/2a5ba23ce8f041f3548317acc992ed8a736b609d
- lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
- lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e@%3Cdev.superset.apache.org%3E
- github.com/twbs/bootstrap
- github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap/CVE-2018-20677.yml
- github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-sass/CVE-2018-20677.yml
- blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0