CVE-2018-10821

MEDIUM

BlackCatCMS 1.3 - Authenticated Stored Cross-Site Scripting in Search Panel

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-10821. PoCs published by BalvinderSingh23.

AI-analyzed exploit summary This repository contains a writeup describing a reflected XSS vulnerability in BlackCat CMS v1.3, assigned CVE-2018-10821. It references a GitHub issue but does not include exploit code or detailed technical steps.

Description

Cross-site scripting (XSS) vulnerability in backend/pages/modify.php in BlackCatCMS 1.3 allows remote authenticated users with the Admin role to inject arbitrary web script or HTML via the search panel.

Exploits (1)

nomisec WRITEUP 1 stars
by BalvinderSingh23 · poc
https://github.com/BalvinderSingh23/Cross-Site-Scripting-Reflected-XSS-Vulnerability-in-blackcatcms_v1.3

This repository contains a writeup describing a reflected XSS vulnerability in BlackCat CMS v1.3, assigned CVE-2018-10821. It references a GitHub issue but does not include exploit code or detailed technical steps.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Theoretical
Target: BlackCat CMS v1.3
No auth needed
Prerequisites: Access to a vulnerable BlackCat CMS instance
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/BlackCatDevelopment/BlackCatCMS/issues/384

Scores

CVSS v3 4.8
EPSS 0.0101
EPSS Percentile 58.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
blackcat-cms/blackcat_cms 1.3
Published Jun 14, 2018
Tracked Since Feb 18, 2026