CVE-2023-0301: Cross-site Scripting (XSS) - Stored in GitHub repository alfio-event/alf.io prior to Alf.io 2.0-M4-2301.

Q: How do I fix CVE-2023-0301?

alf.io: upgrade to 2.0-m4-2301. Exact commands for each OS are on this page.

Q: Is CVE-2023-0301 being exploited?

CVE-2023-0301 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0301 affect?

CVE-2023-0301 affects alf.io. Severity is medium (CVSS 5.4). Cross-site Scripting (XSS) - Stored in GitHub repository alfio-event/alf.io prior to Alf.io 2.0-M4-2301.

Q: How urgent is CVE-2023-0301?

Priority 35/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-0301 is a medium-severity flaw (CVSS 5.4) affecting alf.io. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-01-14
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: opencollective

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-01-14 18:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

opencollective alf.io UPGRADE

Affected: < 2.0-m4-2301

Fixed in: 2.0-m4-2301

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy alf.io || rpm -q alf.io || alf.io --version

2. UPGRADE to 2.0-m4-2301 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade alf.io

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade alf.io

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-0301?

alf.io: upgrade to 2.0-m4-2301. Exact commands for each OS are on this page.

Is CVE-2023-0301 being exploited?

CVE-2023-0301 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-0301 affect?

CVE-2023-0301 affects alf.io. Severity is medium (CVSS 5.4). Cross-site Scripting (XSS) - Stored in GitHub repository alfio-event/alf.io prior to Alf.io 2.0-M4-2301.

How urgent is CVE-2023-0301?

Priority 35/100. Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2023-0300 MEDIUM 5.4 UPGRADE Cross-site Scripting (XSS) - Reflected in GitHub repository alfio-event/alf.io prior to 2.0-M4-2301.

References

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