How severe is CVE-2023-0301?

CVE-2023-0301 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-0301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0301?

CVE-2023-0301 affects Opencollective Alf.io. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0301?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-0301 published?

CVE-2023-0301 was published on 2023-01-14 and last updated on 2026-06-17.

CVE-2023-0301

CVE-2023-0301 is a medium-severity vulnerability in Opencollective Alf.io with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opencollective Alf.io
Published: 2023-01-14
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-0301?: Cross-site Scripting (XSS) - Stored in GitHub repository alfio-event/alf.io prior to Alf.io 2.0-M4-2301.
How severe is CVE-2023-0301?: CVE-2023-0301 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0301?: CVE-2023-0301 affects Opencollective Alf.io. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0301 published?: CVE-2023-0301 was published on 2023-01-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opencollective:alf.io:*:*:*:*:*:*:*:*

More vulnerabilities in Opencollective Alf.io

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

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