CVE-2023-53891

low-risk
Published 2025-12-15

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.

Do I need to act?

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0.05% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Blackcat Cms

Affected Vendors

Blackcat-Cms

References (4)

Product https://blackcat-cms.org/
Exploit https://www.exploit-db.com/exploits/51604
Third Party Advisory https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-vi...
Exploit https://www.exploit-db.com/exploits/51604
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal