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CVE-2023-2258

Improper Neutralization of Formula Elements in a CSV File in alfio-event/alf.io

HIGH
8.8
CVSS Score
Published: April 24, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:52 AM UTC
2 products affected across 2 vendorsAlfAlf

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

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

Affected

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

Alf· Alf
95%
v < 2.0-m4-2304
Affected range stops below 2.0-m4-2304, so it looks safe — our inference, not a vendor statement
Alf· Alfio Event
60%
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:

Patch and advisory references

References (2)

Patch
Source: [email protected]
https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2
Exploit
Source: [email protected]
https://huntr.dev/bounties/31eaf0fe-4d91-4022-aa9b-802bc6eafb8f

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1236

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