Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Liferay Portal (com.liferay.portal:release.portal.bom before 7.4.3.13, and com.liferay.portal.web before 5.0.96) and Liferay DXP (release.dxp.bom versions before 7.4.13.u9, 7.3.10.u4, and 7.2.10.fp19) do not sanitize JavaScript in blog entry content under default settings. A remote authenticated user can inject a crafted payload into a blog entry's content field to run arbitrary script or HTML in other users' browsers. Upgrade to 7.4.3.13, 5.0.96, 7.4.13.u9, 7.3.10.u4, or 7.2.10.fp19, as applicable.
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 0.0052, the 44th percentile, on 8 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