Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
FitNesse versions prior to 20241026 contain a cross-site scripting vulnerability. An attacker can cause arbitrary script to run in the web browser of a user of the product, though the source gives few details about how the attack is triggered. Upgrade fitnesse to version 20241026 or later.
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 | CNA (jpcert) |
- CISA KEV Not listed.
- EPSS 0.0044, the 39th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:13 UTC First seen by agentprime
- 31 Oct 2026, 15:13 UTC Confirmed by OSV