CVE-2021-40658: Textpattern

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Textpattern 4.8.7 is affected by a HTML injection vulnerability through “Content>Write>Body”.

Affected products

• Textpattern Textpattern: version 4.8.7 only

Published 2022-06-14. Last modified 2026-06-17.