How severe is CVE-2023-3021?

CVE-2023-3021 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-2023-3021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3021?

CVE-2023-3021 affects Scilico I, Librarian. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3021?

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

When was CVE-2023-3021 published?

CVE-2023-3021 was published on 2023-05-31 and last updated on 2026-06-17.

CVE-2023-3021

CVE-2023-3021 is a medium-severity vulnerability in Scilico I, Librarian 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% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Scilico I, Librarian
Published: 2023-05-31
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) - Stored in GitHub repository mkucej/i-librarian-free prior to 5.10.4.

Frequently asked questions

What is CVE-2023-3021?: Cross-site Scripting (XSS) - Stored in GitHub repository mkucej/i-librarian-free prior to 5.10.4.
How severe is CVE-2023-3021?: CVE-2023-3021 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-2023-3021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3021?: CVE-2023-3021 affects Scilico I, Librarian. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3021 published?: CVE-2023-3021 was published on 2023-05-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:scilico:i\,_librarian:*:*:*:*:*:*:*:*

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