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Vulnerability record · CVE-2024-45299 · published 6 September 2024

CVE-2024-45299: Alf vulnerability

Alf · Alf

alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5, the preloaded data as json is not escaped correctly, the administrator / event admin could break their own install by inserting non correctly escaped text. The Content-Security-Policy directive blocks any potential script execution. The administrator or event administrator can override the texts for customization purpose. The texts are not properly escaped. Version 2.0-M5 fixes this issue.

6.5 CVSS 3.1 Medium EPSS 0.72% · top 48.2% CWE-116 · CWE-116
6.5CVSS 3.1 base score
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

alf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5, the preloaded data as json is not escaped correctly, the administrator / event admin could break their own install by inserting non correctly escaped text. The Content-Security-Policy directive blocks any potential script execution. The administrator or event administrator can override the texts for customization purpose. The texts are not properly escaped. Version 2.0-M5 fixes this issue.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/alfio-event/alf.io/commit/e7131c588f4ac31067a41d0e31e6a6a721b2ff4b Patch
https://github.com/alfio-event/alf.io/security/advisories/GHSA-mcx6-25f8-8rqw ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2026-35482Alf incorrect authorization vulnerabilityalf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5-2606, a sandbox esca…EPSS 0.42%8.8CVE-2024-25635Alf vulnerabilityalf.io is an open source ticket reservation system. Prior to version 2.0-Mr-2402, organization owners can view the generated API KEY and USERS of oth…EPSS 0.72%8.8CVE-2023-2258Alf csv injection vulnerabilityImproper Neutralization of Formula Elements in a CSV File in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.EPSS 0.91%8.8CVE-2023-2260Alf insecure direct object reference vulnerabilityAuthorization Bypass Through User-Controlled Key in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.EPSS 0.86%7.6CVE-2024-25628Alf insufficient session expiration vulnerabilityAlf.io is a free and open source event attendance management system. In versions prior to 2.0-M4-2402 users can access the admin area even after bein…EPSS 0.38%7.2CVE-2023-2259Alf code injection vulnerabilityImproper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.EPSS 1.1%6.5CVE-2024-25634Alf vulnerabilityalf.io is an open source ticket reservation system. Prior to version 2.0-Mr-2402, an attacker can access data from other organizers. The attacker can…EPSS 0.75%5.9CVE-2024-45300Alf race condition vulnerabilityalf.io is an open source ticket reservation system for conferences, trade shows, workshops, and meetups. Prior to version 2.0-M5, a race condition al…EPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2024-45299), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.