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 |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0033, the 26th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:21 UTC First seen by agentprime
- 31 Oct 2026, 15:21 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-572q-86rr-5vgq
- OSV: GHSA-572q-86rr-5vgq
- nvd.nist.gov/vuln/detail/CVE-2024-55488
- github.com/github/advisory-database/pull/5270
- github.com/umbraco/Umbraco-CMS/pull/17164
- github.com/umbraco/Umbraco-CMS
- github.com/umbraco/Umbraco-CMS/releases/tag/release-15.0.0-rc1
- www.nccgroup.com/us/research-blog/technical-advisory-cross-site-scripting-in-umbraco-rich-text-display
- umbraco.com