Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Liferay Portal (release.portal.bom) versions before 7.4.3.5 and Liferay DXP (release.dxp.bom) in the listed affected ranges contain a stored cross-site scripting flaw in the Dynamic Data Mapping module's DDMForm. A remote authenticated user can inject arbitrary web script or HTML through the instanceId parameter. Upgrade Liferay Portal to 7.4.3.5 or Liferay DXP to 7.3.10.u4, 7.2.10.fp17, or a fixed release in the affected range.
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 |
|---|---|---|---|---|
| 9.0 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H | CNA (Liferay) |
- CISA KEV Not listed.
- EPSS 0.0056, the 47th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:11 UTC First seen by agentprime
- 31 Oct 2026, 15:11 UTC Confirmed by OSV