XXE in Europeana Repox
CVE-2023-6721
An XEE vulnerability has been found in Repox, which allows a remote attacker to interfere with the application's XML data processing in the fileupload function, resulting in interaction between the attacker and the server's file system.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.
Affected products
- Europeana Repox — versions 2.3.7
- Repox — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve-coordination@incibe.es (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-6721?
- CVE-2023-6721 is a high-severity vulnerability in Europeana Repox, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.3/10. Published 2023-12-13.
- How severe is CVE-2023-6721?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2023-6721 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.