CVE-2023-6720

CVE-2023-6720 is a medium-severity vulnerability in Europeana Repox with a CVSS 3.x base score of 5.5. 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

Description

An XSS vulnerability stored in Repox has been identified, which allows a local attacker to store a specially crafted JavaScript payload on the server, due to the lack of proper sanitisation of field elements, allowing the attacker to trigger the malicious payload when the application loads.

Frequently asked questions

What is CVE-2023-6720?
An XSS vulnerability stored in Repox has been identified, which allows a local attacker to store a specially crafted JavaScript payload on the server, due to the lack of proper sanitisation of field elements, allowing the attacker to trigger the malicious payload when the application loads.
How severe is CVE-2023-6720?
CVE-2023-6720 has a CVSS 3.x base score of 5.5, 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 low.
Is CVE-2023-6720 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6720?
CVE-2023-6720 affects Europeana Repox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6720?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6720 published?
CVE-2023-6720 was published on 2023-12-13 and last updated on 2026-06-17.

References

Affected products (1)

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