Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The events2 extension for TYPO3 (jweiland/events2) is vulnerable in versions before 8.3.8 and from 9.0.0 before 9.0.6. Missing access checks in the management plugin let unauthenticated users activate or delete various events through an insecure direct object reference. Upgrade to version 8.3.8 or 9.0.6.
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 |
|---|---|---|---|---|
| 5.4 | Medium | 3.1 | CVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:L/S:U/UI:N | CNA (mitre) |
- CISA KEV Not listed.
- EPSS 0.0029, the 21st percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:27 UTC First seen by agentprime
- 31 Oct 2026, 14:27 UTC Confirmed by OSV