XSS in Europeana Repox

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6720?
CVE-2023-6720 is a medium-severity vulnerability in Europeana Repox, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2023-12-13.
How severe is CVE-2023-6720?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-6720 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.