Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache Ambari versions before 2.7.8 are vulnerable to cross-site scripting caused by missing input validation, and the source describes it as stored XSS. An attacker who can submit crafted input that other users later view could run malicious scripts in their browsers, potentially accessing data, hijacking sessions, or delivering malicious payloads. Upgrade to Apache Ambari 2.7.8, which fixes this issue. The source gives few details on which inputs are affected.
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 | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.012, the 68th 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