XXE in Xwiki
CVE-2023-27480
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with edit rights on a document can trigger an XAR import on a forged XAR file, leading to the ability to display the content of any file on the XWiki server host. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. Users unable to upgrade may apply the patch `e3527b98fd` manually.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.007 (51.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Xwiki — versions 1.1
- Xwiki Xwiki-platform — versions >= 1.1-milestone-3, < 13.10.11, >= 14.0.0, < 14.4.7, >= 14.5.0, < 14.10.0-rc-1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27480?
- CVE-2023-27480 is a high-severity vulnerability in Xwiki, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.7/10. Published 2023-03-07.
- How severe is CVE-2023-27480?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2023-27480 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.