Vulnerability Details : CVE-2023-27480
Potential exploit
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 category: XML external entity (XXE) injection
Products affected by CVE-2023-27480
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:1.1:milestone4:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:1.1:milestone3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-27480
1.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-27480
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.7
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
3.1
|
4.0
|
NIST | |
7.7
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
3.1
|
4.0
|
GitHub, Inc. |
CWE ids for CVE-2023-27480
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: security-advisories@github.com (Primary)
References for CVE-2023-27480
-
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-gx4f-976g-7g6v
Data leak through a XAR import XXE attack · Advisory · xwiki/xwiki-platform · GitHubExploit;Patch;Vendor Advisory
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https://github.com/xwiki/xwiki-platform/commit/e3527b98fdd8dc8179c24dc55e662b2c55199434
XWIKI-20320: Disallow DOCTYPE in the XAR descriptor · xwiki/xwiki-platform@e3527b9 · GitHubPatch
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https://jira.xwiki.org/browse/XWIKI-20320
[XWIKI-20320] XXE attack on the import XAR Admin UI - XWiki.org JIRAExploit;Issue Tracking;Patch;Vendor Advisory
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