CVE-2023-0300

Name: CVE-2023-0300
Creator: NVD / NIST
Published: 2023-01-14T18:15:09.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2023-0300 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.49%

38.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Opencollective	Alf.Io	< 2.0-m4-2301

References

https://github.com/alfio-event/alf.io/commit/c1ae54ac84f1c7a5ec2831876f6445cb79be96fcPatch, Third Party Advisory
https://huntr.dev/bounties/0a91fec7-a76e-4ca3-80ba-81de1f10d59dExploit, Third Party Advisory
https://github.com/alfio-event/alf.io/commit/c1ae54ac84f1c7a5ec2831876f6445cb79be96fcPatch, Third Party Advisory
https://huntr.dev/bounties/0a91fec7-a76e-4ca3-80ba-81de1f10d59dExploit, Third Party Advisory

Timeline

Published: Jan 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0300?

Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.

How severe is CVE-2023-0300?

CVE-2023-0300 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0300?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0300?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST