Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Liferay Portal 7.2.0 through 7.4.3.37 and Liferay DXP 7.4 before update 38, 7.3 before update 11, and 7.2 before fix pack 20 are vulnerable to cross-site scripting in the Frontend JS module's portlet.js. A remote attacker can inject arbitrary web script or HTML through the anchor (hash) part of a URL. Upgrade Liferay Portal to 7.4.3.38 or Liferay DXP to 7.4.13.u38, 7.3.10.u11, or 7.2.10.fp20, depending on the release line in use.
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 |
|---|---|---|---|---|
| 9.6 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | CNA (Liferay) |
- CISA KEV Not listed.
- EPSS 0.0056, the 46th 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