CVE-2024-25627

Cross-Site Scripting (XSS) via File Upload in Alf.io

MEDIUM
4.8
CVSS Score
Published: February 16, 2024 at 08:27 PM UTC
Updated: June 17, 2026 at 07:16 AM UTC
2 products affected across 2 vendorsAlfAlf

Using alf.io by alfio-event?

Get instant alerts when new vulnerabilities affect alf.io - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.8
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.0-m4-2304
Affected range stops below 2.0-m4-2304, so it looks safe — our inference, not a vendor statement
v < 2.0-M4-2304
Affected range stops below 2.0-M4-2304, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-434

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card