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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 27 Oct 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Admidio before 5.0.17 Event Guest Restriction Bypass via events_function.php | |
| First Time appeared |
Admidio
Admidio admidio |
|
| Weaknesses | CWE-602 | |
| CPEs | cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Admidio
Admidio admidio |
|
| References |
|
|
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-27T13:07:50.357Z
Reserved: 2026-10-27T11:25:20.165Z
Link: CVE-2026-117554
No data.
Status : Deferred
Published: 2026-10-27T14:16:35.990
Modified: 2026-10-27T14:16:36.110
Link: CVE-2026-117554
No data.
OpenCVE Enrichment
Updated: 2026-10-27T16:15:04Z
Weaknesses