CVE-2023-53891

MEDIUM

Blackcat CMS 1.4 - XSS

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by Mirabbas Ağalarov · textwebappsphp

https://www.exploit-db.com/exploits/51604

View Code ZIP pw:eip

References (3)

[Product] https://blackcat-cms.org/

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/51604

[Third Party Advisory] https://www.vulncheck.com/advisories/blackcat-cms-stored-cross-site-scripting-via-page-modification

Scores

CVSS v3 5.4

EPSS 0.0005

EPSS Percentile 14.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (2)

blackcat-cms/Blackcat CMS 1.4

blackcat-cms/blackcat_cms 1.4

Published Dec 15, 2025

Tracked Since Feb 18, 2026