CVE-2023-37874: Riverside HTTP Headers

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Dimitar Ivanov HTTP Headers plugin <= 1.18.11 versions.

Affected products

• Riverside HTTP Headers: up to and including 1.18.11

Published 2023-08-05. Last modified 2026-06-17.