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    CVE-2024-45300

    alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5, a race condition allows the user to bypass the limit on the number of promo codes and use the discount coupon multiple times. In "alf.io", an event organizer can apply price discounts by using promo codes to your events. The organizer can limit the number of promo codes that will be used for this, but the time-gap between checking the number of codes and restricting the use of the codes allows a threat actor to bypass the promo code limit. Version 2.0-M5 fixes this issue.

    Published:Sep 6, 2024
    Last Modified:Sep 29, 2024
    EPS:Sep 6, 2024
    EPSS Score:0.00126
    CVSS Score:7.5

    Affected Products

    Vendor
    Alf
    Product
    Alf

    Exploits

    https://github.com/alfio-event/alf.io/security/advisories/GHSA-67jg-m6f3-473g

    Related CVEs

    CVE-2026-35482 (CVSS 8) — alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior…
    CVE-2024-45299 (CVSS 6.5) — alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior…
    CVE-2024-25634 (CVSS 7.2) — alf.io is an open source ticket reservation system. Prior to version 2.0-Mr-2402, an attacker can access data …
    CVE-2024-25635 (CVSS 8.8) — alf.io is an open source ticket reservation system. Prior to version 2.0-Mr-2402, organization owners can view…
    CVE-2024-25627 (CVSS 3.5) — Alf.io is a free and open source event attendance management system. An administrator on the alf.io applicatio…
    CVE-2024-25628 (CVSS 7.6) — Alf.io is a free and open source event attendance management system. In versions prior to 2.0-M4-2402 users ca…
    CVE-2023-2260 (CVSS 8.8) — Authorization Bypass Through User-Controlled Key in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.…
    CVE-2023-2259 (CVSS 7.2) — Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io …
    CVE-2023-2258 (CVSS 8.8) — Improper Neutralization of Formula Elements in a CSV File in GitHub repository alfio-event/alf.io prior to 2.0…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High