MEDIUMCVSS v3.1 4.3Vulnerability
CVE-2026-117554
Admidio before 5.0.17 contains an improper access control vulnerability that allows authenticated members to register event guests by submitting the additional_guests field when guests are disallowed. Attackers can set additional_guests to the remaining seat count in modules/events/events_function.php to exhaust event capacity and block other members from registering.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-10-27T15:29:09.616245+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 4.3
- Retrieved at
- 2026-10-27T15:31:26+00:00
- Score
- 4.3
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-117554
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- First seen by Signal
- 2026-10-27T15:31:26+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Published at
- 2026-10-27T14:16:35.990
- Last modified
- 2026-10-27T14:16:36.110
Related Entities (1)
HAS_WEAKNESS (1)
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