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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-6720: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

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.