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.
Metrics
Affected Vendors & Products
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 |
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|
| 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