Vulnerability · Published Mar 7, 2023 · Assigned by GitHub_M

CVE-2023-27480Data leak through a XAR import XXE attack in xwiki-platform-xar-model

High 7.7

In plain English

A high-severity XML external entity in xwiki-platform from xwiki. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.7%top 45.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.xwiki.platform:xwiki-platform-xar-model13.10.11GHSA-gx4f-976g-7g6v
Mavenorg.xwiki.platform:xwiki-platform-xar-model14.4.7GHSA-gx4f-976g-7g6v
Mavenorg.xwiki.platform:xwiki-platform-xar-model14.10-rc-1GHSA-gx4f-976g-7g6v

Affected products (as reported)

VendorProductVersions
xwiki xwiki-platform >= 1.1-milestone-3, < 13.10.11>= 14.0.0, < 14.4.7>= 14.5.0, < 14.10.0-rc-1

Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References