CVE-2012-6612: Apache Solr

High severity, CVSS 7.5. EPSS: 10.1% chance of exploitation in the next 30 days.

The (1) UpdateRequestHandler for XSLT or (2) XPathEntityProcessor in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, different vectors than CVE-2013-6407.

Affected products

• Apache Solr: up to and including 4.0.0; version 4.0.0 only

Published 2013-12-07. Last modified 2026-06-16.