CVE-2023-53891
Medium · 5.4CVSS
5.4
EPSS
0.2%
Published
Dec 15, 2025
CISA due date
—
The record
Blackcat CMS 1.4 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts into page content. Attackers can insert JavaScript payloads in the page modification interface that execute when other users view the compromised page.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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