How severe is CVE-2023-2339?

CVE-2023-2339 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-2023-2339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2339?

CVE-2023-2339 affects Pimcore. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2339?

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

When was CVE-2023-2339 published?

CVE-2023-2339 was published on 2023-04-27 and last updated on 2026-06-17.

CVE-2023-2339

CVE-2023-2339 is a medium-severity vulnerability in Pimcore 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: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Pimcore
Published: 2023-04-27
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository pimcore/pimcore prior to 10.5.21.

Frequently asked questions

What is CVE-2023-2339?: Cross-site Scripting (XSS) - Reflected in GitHub repository pimcore/pimcore prior to 10.5.21.
How severe is CVE-2023-2339?: CVE-2023-2339 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-2023-2339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2339?: CVE-2023-2339 affects Pimcore. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2339 published?: CVE-2023-2339 was published on 2023-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pimcore:pimcore:*:*:*:*:*:*:*:*

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