Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Apache NiFi (nifi-web-ui) versions 1.10.0 through 1.27.0 and 2.0.0-M1 through 2.0.0-M3 are vulnerable to cross-site scripting through the description field of Parameters in a Parameter Context. An authenticated user authorized to configure a Parameter Context can enter JavaScript that runs in the browser of another user's session. Upgrade to 1.28.0 or 2.0.0-M4.
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 |
|---|---|---|---|---|
| 4.6 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N | CNA (apache) |
- CISA KEV Not listed.
- EPSS 0.0075, the 55th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:18 UTC First seen by agentprime
- 31 Oct 2026, 14:18 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-7mqj-xgf8-p59v
- OSV: GHSA-7mqj-xgf8-p59v
- nvd.nist.gov/vuln/detail/CVE-2024-45477
- github.com/apache/nifi/pull/9195
- github.com/apache/nifi/commit/153c87a7daaeebea9b119066285b840ea4056e09
- github.com/apache/nifi
- github.com/apache/nifi/blob/rel/nifi-1.27.0/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-parameter-contexts.js#L2197
- issues.apache.org/jira/browse/NIFI-13675
- lists.apache.org/thread/shdv0tw9hggj7tx9pl7g93mgok2lwbj9
- nifi.apache.org/documentation/security/#CVE-2024-45477