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Vulnerability record · CVE-2023-2258 · published 24 April 2023

CVE-2023-2258: Alf csv injection vulnerability

Alf · Alf

Improper Neutralization of Formula Elements in a CSV File in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

8.8 CVSS 3.1 High EPSS 0.91% · top 41.5% CWE-1236 · CSV injection
8.8CVSS 3.1 base score
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Improper Neutralization of Formula Elements in a CSV File in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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/94e2923a317452e337393789c9f3192dfc1ddac2 Patch
https://huntr.dev/bounties/31eaf0fe-4d91-4022-aa9b-802bc6eafb8f Exploit
https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2 Patch
https://huntr.dev/bounties/31eaf0fe-4d91-4022-aa9b-802bc6eafb8f Exploit

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2023-2258), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.