Description
Alf.io is a free and open source event attendance management system. An administrator on the alf.io application is able to upload HTML files that trigger JavaScript payloads. As such, an attacker gaining administrative access to the alf.io application may be able to persist access by planting an XSS payload. This issue has been addressed in version 2.0-M4-2402. Users are advised to upgrade. There are no known workarounds for this vulnerability.
References (1)
Core 1
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/alfio-event/alf.io/security/advisories/GHSA-gpmg-8f92-37cf
Scores
CVSS v3
3.5
EPSS
0.0056
EPSS Percentile
68.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-434
CWE-79
Status
published
Products (1)
alf/alf
< 2.0-m4-2304
Published
Feb 16, 2024
Tracked Since
Feb 18, 2026