CVE-2023-53891
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductBlackcat-cms Blackcat Cms
PublishedDec 15, 2025
First seenDec 15, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| blackcat-cms blackcat_cms | 1.4 | — |
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