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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Europeana Repox — versions 2.3.7
- Repox — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-repox (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.