CVE-2023-26847: Opencats

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in OpenCATS v0.9.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the state parameter at opencats/index.php?m=candidates.

Affected products

• Opencats Opencats: version 0.9.7 only

Published 2023-04-11. Last modified 2026-06-17.