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 |
|---|---|---|---|---|
| 5.3 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0095, the 61st percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-pj73-v5mw-pm9j
- OSV: GHSA-pj73-v5mw-pm9j
- nvd.nist.gov/vuln/detail/CVE-2023-28120
- github.com/rails/rails/commit/3cf23c3f891e2e81c977ea4ab83b62bc2a444b70
- discuss.rubyonrails.org/t/cve-2023-28120-possible-xss-security-vulnerability-in-safebuffer-bytesplice/82469
- github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2023-28120.yml
- lists.fedoraproject.org/archives/list/[email protected]/message/UPV6PVCX4VDJHLFFT42EXBBSGAWZICOW
- lists.fedoraproject.org/archives/list/[email protected]/message/ZE5W4MH6IE4DV7GELDK6ISCSTFLHKSYO
- security.netapp.com/advisory/ntap-20240202-0006
- www.debian.org/security/2023/dsa-5389