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 |
|---|---|---|---|---|
| 7.8 | High | 3.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0043, the 38th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:22 UTC First seen by agentprime
- 31 Oct 2026, 15:22 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-2hp9-3xfr-r9w2
- OSV: GHSA-2hp9-3xfr-r9w2
- nvd.nist.gov/vuln/detail/CVE-2023-31287
- github.com/serenity-is/Serenity/commit/11b9d267f840513d04b4f4d4876de7823a6e48d2
- github.com/serenity-is/Serenity
- packetstorm.news/files/id/172648
- packetstormsecurity.com/files/172648/Serenity-StartSharp-Software-File-Upload-XSS-User-Enumeration-Reusable-Tokens.html
- seclists.org/fulldisclosure/2023/May/14