CVE-2021-41559: Silverstripe

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

Affected products

• Silverstripe Silverstripe: before 4.10.9 (fixed in 4.10.9)

Published 2022-06-28. Last modified 2026-06-17.